/* ==============================================================
   FreDil — Unified Master Design System
   Source of visual truth matching /prototype exactly
   ============================================================== */

@import url('../fonts/montserrat.css');

:root {
  /* ==============================================================
     BRAND COLOR PALETTE (Blue & White with Restrained Red Accent)
     ============================================================== */
  --color-primary: #1A4FE8;
  --color-primary-dark: #1237A8;
  --color-navy: #0B1739;
  --color-white: #FFFFFF;
  --color-background: #FFFFFF;
  --color-background-soft: #F3F7FF;
  --color-surface: #F8FAFC;
  --color-surface-blue: #E8EFFF;
  --color-surface-dark: #111827;

  /* Neutrals */
  --color-text: #172033;
  --color-text-secondary: #64748B;
  --color-text-muted: #94A3B8;
  --color-border: #E2E8F0;

  /* Red Accent (Restrained, intentional highlights) */
  --color-accent: #E53945;
  --color-accent-dark: #C62836;
  --color-accent-soft: #FFF1F2;

  /* Functional / Semantic */
  --color-success: #15803D;
  --color-success-soft: #DCFCE7;
  --color-warning: #B45309;
  --color-warning-soft: #FEF3C7;
  --color-error: #C62836;
  --color-info: #1A4FE8;

  /* ==============================================================
     CENTRALIZED TYPOGRAPHY SYSTEM (Montserrat Default)
     ============================================================== */
  --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-monospace: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;

  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.84rem;    /* 13.5px */
  --font-size-base: 0.94rem;  /* 15px */
  --font-size-md: 1rem;       /* 16px */
  --font-size-lg: 1.15rem;    /* 18.5px */
  --font-size-xl: 1.35rem;    /* 21.5px */
  --font-size-2xl: clamp(1.4rem, 2.2vw, 1.75rem);
  --font-size-3xl: clamp(1.75rem, 3.2vw, 2.25rem);
  --font-size-4xl: clamp(2.1rem, 4.5vw, 3rem);

  --line-height-tight: 1.18;
  --line-height-snug: 1.35;
  --line-height-normal: 1.55;
  --line-height-relaxed: 1.7;

  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0em;
  --letter-spacing-wide: 0.04em;
  --letter-spacing-wider: 0.08em;

  /* UI Tokens */
  --radius: 14px;
  --maxw: 1180px;
  --shadow: 0 12px 32px -18px rgba(11, 23, 57, 0.18);
  --shadow-sm: 0 2px 8px -2px rgba(11, 23, 57, 0.08);
  --shadow-lg: 0 20px 40px -12px rgba(11, 23, 57, 0.22);

  /* Legacy Compatibility Aliases (Seamless zero-regression mapping) */
  --ink: var(--color-text);
  --ink-soft: var(--color-text-secondary);
  --paper: var(--color-background);
  --paper-alt: var(--color-surface);
  --line: var(--color-border);
  --primary: var(--color-primary);
  --primary-hover: var(--color-primary-dark);
  --primary-soft: var(--color-surface-blue);
  --blue: var(--color-primary);
  --blue-deep: var(--color-primary-dark);
  --blue-soft: var(--color-background-soft);
  --teal: var(--color-primary);
  --teal-soft: var(--color-surface-blue);
  --amber: #f59e0b;
  --amber-deep: var(--color-warning);
  --red: var(--color-accent);
  --red-hover: var(--color-accent-dark);
  --red-soft: var(--color-accent-soft);
  --navy: var(--color-navy);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  font-family: var(--font-primary);
}

button,
input,
select,
textarea {
  font-family: var(--font-primary);
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  font-family: var(--font-primary);
  color: var(--color-text);
  background: var(--color-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  margin: 0;
  color: var(--color-navy);
}

h1 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

h2 {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: var(--letter-spacing-tight);
}

h3 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

h4 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

h5 {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
}

h6 {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

p {
  margin: 0;
  color: var(--color-text-secondary);
  line-height: var(--line-height-normal);
}

a {
  color: inherit;
  text-decoration: none;
}

.mono,
code,
kbd,
samp,
pre {
  font-family: var(--font-monospace);
  font-size: var(--font-size-xs);
  letter-spacing: 0.02em;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 999px;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  border: 1.5px solid var(--color-primary);
  cursor: pointer;
  transition: transform .15s ease, background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
  font-family: var(--font-primary);
  text-align: center;
  line-height: 1.2;
}

.btn-primary {
  background: var(--navy, #101C34);
  color: #fff;
  border-color: var(--navy, #101C34);
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--teal, #127A63);
  border-color: var(--teal, #127A63);
  color: #fff;
  box-shadow: 0 4px 14px rgba(18, 122, 99, 0.32);
}

.btn-secondary {
  background: #E3F1EC;
  color: #127A63;
  border: 1.5px solid #127A63;
}

.btn-secondary:hover {
  transform: translateY(-2px);
  background: #127A63;
  color: #FFFFFF;
  border-color: #127A63;
  box-shadow: 0 4px 14px rgba(18, 122, 99, 0.28);
}

.btn-teal {
  background: #127A63;
  color: #fff;
  border-color: #127A63;
}

.btn-teal:hover {
  transform: translateY(-2px);
  background: #169578;
  border-color: #169578;
  color: #fff;
  box-shadow: 0 4px 14px rgba(18, 122, 99, 0.28);
}

.btn-accent {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-accent:hover {
  transform: translateY(-2px);
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  color: #fff;
  box-shadow: 0 4px 14px rgba(229, 57, 69, 0.28);
}

.btn-ghost {
  background: #E3F1EC;
  color: #127A63;
  border-color: #127A63;
}

.btn-ghost:hover {
  background: #127A63;
  border-color: #127A63;
  color: #FFFFFF;
}

.btn-danger {
  background: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}

.btn-danger:hover {
  transform: translateY(-2px);
  background: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  box-shadow: 0 4px 14px rgba(198, 40, 54, 0.25);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 7px 15px;
  font-size: var(--font-size-xs);
}

/* ==================== BRAND & LOGO ==================== */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  font-size: 1.25rem;
  color: var(--color-navy);
}

.brand-mark {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  flex: none;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 68%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: var(--font-primary);
  font-size: 0.78rem;
  font-weight: var(--font-weight-extrabold);
  box-shadow: 0 2px 8px rgba(26, 79, 232, 0.3);
}

/* ==================== BADGES ==================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge-teal,
.badge-blue {
  background: var(--color-surface-blue);
  color: var(--color-primary);
}

.badge-amber {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.badge-red,
.badge-accent {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

.badge-ink {
  background: var(--color-surface);
  color: var(--color-text-secondary);
}

/* ==================== CARDS ==================== */
.card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 22px;
}

.card-shadow {
  box-shadow: var(--shadow);
}

/* ==================== APP SHELL & SIDEBAR ==================== */
.app-shell {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--color-navy);
  color: #c4cfe0;
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 40;
}

.sidebar .brand {
  color: #fff;
  padding: 0 8px;
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.side-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #a9b7d1;
  transition: .15s ease;
}

.side-nav a .ic {
  width: 20px;
  height: 20px;
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-size: 0.72rem;
  border: 1.5px solid currentColor;
  border-radius: 5px;
}

.side-nav a:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.side-nav a.active {
  background: var(--color-primary);
  color: #fff;
}

.side-nav .group-label {
  font-family: var(--font-primary);
  font-size: 11px;
  letter-spacing: var(--letter-spacing-wider);
  color: #6a7c9f;
  text-transform: uppercase;
  padding: 14px 12px 4px;
}

.sidebar-foot {
  margin-top: auto;
  padding: 14px 10px 4px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.side-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.side-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  font-size: 0.75rem;
  color: #fff;
  flex: none;
}

.side-user .name {
  font-size: 0.85rem;
  font-weight: 700;
  color: #fff;
}

.side-user .role {
  font-size: 0.72rem;
  color: #8fa1c2;
}

.profile-top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 10px;
  border-radius: 10px;
  margin-bottom: 4px;
  transition: .15s ease;
  border: 1px solid transparent;
}

.profile-top:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}

.profile-top .chev {
  margin-left: auto;
  color: #5f7196;
  font-size: 0.95rem;
}

.sidebar-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 4px 4px 10px;
}

/* ==================== MAIN CONTENT & TOPBAR ==================== */
.main {
  padding: 0;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 30;
  gap: 16px;
}

.topbar h1 {
  font-size: var(--font-size-xl);
  color: var(--color-navy);
  font-weight: var(--font-weight-bold);
}

.topbar .sub {
  font-size: 0.86rem;
  margin-top: 2px;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
}

.lang-switch-top {
  display: flex;
  background: var(--color-surface);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}

.lang-switch-top a,
.lang-switch-top button {
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
  border: none;
  background: transparent;
  padding: 5px 11px;
  border-radius: 999px;
  cursor: pointer;
  color: var(--color-text-secondary);
  transition: .15s;
}

.lang-switch-top a.active,
.lang-switch-top button.active {
  background: var(--color-navy);
  color: #fff;
}

.icon-btn {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-background);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  color: var(--color-text);
  transition: .15s ease;
}

.icon-btn:hover {
  background: var(--color-surface);
}

.content {
  padding: 30px 32px 60px;
  min-width: 0;
}

/* Mobile Hamburger & Backdrop */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 6px;
  cursor: pointer;
  color: var(--color-text);
  font-size: 1.4rem;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(11, 23, 57, 0.65);
  backdrop-filter: blur(4px);
  z-index: 35;
}

/* ==================== STAT CARDS (5 KPI GRID) ==================== */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
}

.stat-card .lbl {
  font-family: var(--font-primary);
  font-size: 12px;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: .04em;
  font-weight: var(--font-weight-semibold);
}

.stat-card .num {
  font-family: var(--font-primary);
  font-size: 1.85rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
  margin-top: 6px;
}

.stat-card .delta {
  font-size: 0.8rem;
  margin-top: 6px;
  font-weight: var(--font-weight-bold);
}

.delta.up {
  color: var(--color-success);
}

.delta.down {
  color: var(--color-accent);
}

/* ==================== BUG FIX: BAR CHART ==================== */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 160px;
  padding-top: 10px;
  width: 100%;
}

.bar-chart .col {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}

.bar-chart .bar-wrapper {
  width: 100%;
  height: 120px;
  display: flex;
  align-items: flex-end;
}

.bar-chart .bar {
  width: 100%;
  border-radius: 6px 6px 0 0;
  background: linear-gradient(180deg, var(--color-primary), var(--color-surface-blue));
  transition: height .3s ease;
  min-height: 4px;
}

.bar-chart .bar.peak {
  background: linear-gradient(180deg, var(--color-primary-dark), var(--color-primary));
}

.bar-chart .lbl {
  font-family: var(--font-primary);
  font-size: 12px;
  color: var(--color-text-secondary);
}

/* ==================== TABLES & RESPONSIVE CONTAINERS ==================== */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  text-align: left;
}

thead th {
  font-family: var(--font-primary);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-text-secondary);
  padding: 12px 14px;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
  background: var(--color-surface);
  font-weight: var(--font-weight-semibold);
}

tbody td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: middle;
}

tbody tr:last-child td {
  border-bottom: none;
}

tbody tr:hover {
  background: var(--color-background-soft);
}

.row-avatar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.row-avatar .dot {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  flex: none;
}

/* ==================== FORMS ==================== */
.field {
  display: flex;
  flex-direction: column;
  gap: 7px;
  margin-bottom: 18px;
}

.field label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-navy);
}

.field input,
.field select,
.field textarea {
  padding: 12px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--color-border);
  font-family: inherit;
  font-size: 0.92rem;
  background: var(--color-background);
  color: var(--color-text);
  transition: border-color .15s ease, box-shadow .15s ease;
  width: 100%;
}

.field input:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 79, 232, 0.12);
  outline: none;
}

.field-note {
  font-size: 0.76rem;
  color: var(--color-text-secondary);
}

.field-error {
  font-size: 0.78rem;
  color: var(--color-accent);
  font-weight: var(--font-weight-semibold);
}

/* ==================== PROGRESS BAR ==================== */
.pbar {
  height: 8px;
  border-radius: 999px;
  background: var(--color-surface);
  overflow: hidden;
}

.pbar>span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
  border-radius: 999px;
}

/* ==================== LESSON STATUS DOTS & CHIPS ==================== */
.log-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  flex: none;
}

.log-dot.done {
  background: var(--color-primary);
}

.log-dot.postponed {
  background: var(--color-warning);
}

.log-dot.cancelled {
  background: var(--color-accent);
}

.log-status {
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
  padding: 4px 10px;
  border-radius: 999px;
  flex: none;
}

.log-status.done {
  background: var(--color-surface-blue);
  color: var(--color-primary);
}

.log-status.postponed {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

.log-status.cancelled {
  background: var(--color-accent-soft);
  color: var(--color-accent-dark);
}

/* ==================== SCHEDULE WEEK GRID ==================== */
.week-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 10px;
  margin-top: 16px;
}

.day-col .day-lbl {
  font-family: var(--font-primary);
  font-size: 12px;
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  margin-bottom: 8px;
  text-align: center;
}

.slot {
  background: var(--color-surface-blue);
  border-left: 3px solid var(--color-primary);
  border-radius: 8px;
  padding: 8px 9px;
  margin-bottom: 8px;
  font-size: 0.76rem;
}

.slot.group {
  background: var(--color-warning-soft);
  border-left-color: var(--color-warning);
}

.slot .t {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
}

.slot .who {
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.slot.empty {
  background: transparent;
  border: 1px dashed var(--color-border);
  color: var(--color-text-muted);
  text-align: center;
  padding: 16px 6px;
}

/* ==================== TILES & KPI ROWS ==================== */
.tile-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 22px;
}

.tile {
  border-radius: var(--radius);
  padding: 18px 20px;
  border: 1px solid var(--color-border);
  background: var(--color-background);
}

.tile .lbl {
  font-family: var(--font-primary);
  font-size: 12px;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-semibold);
}

.tile .num {
  font-family: var(--font-primary);
  font-size: 1.7rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-navy);
  margin-top: 6px;
}

.tile.paid {
  border-left: 4px solid var(--color-primary);
}

.tile.paid .num {
  color: var(--color-primary);
}

.tile.unpaid {
  border-left: 4px solid var(--color-warning);
}

.tile.unpaid .num {
  color: var(--color-warning);
}

.tile.unpaid.critical {
  border-left: 4px solid var(--color-accent);
}

.tile.unpaid.critical .num {
  color: var(--color-accent);
}

/* ==================== NET PROFIT HIGHLIGHT CARD ==================== */
.net-card {
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.net-card h3 {
  color: #fff;
}

.net-card .formula {
  font-family: var(--font-monospace);
  font-size: 12px;
  color: #9fb0c9;
  margin-top: 10px;
  word-break: break-all;
}

/* ==================== MODALS ==================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 23, 57, 0.6);
  backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.modal-dialog {
  background: var(--color-background);
  border-radius: var(--radius);
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow);
  padding: 28px;
}

/* ==================== MESSAGING & CHAT SYSTEM ==================== */
.msg-shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-background);
  min-height: 580px;
  box-shadow: var(--shadow);
}

.msg-list {
  border-right: 1px solid var(--color-border);
  overflow-y: auto;
  background: var(--color-background);
  display: flex;
  flex-direction: column;
}

.msg-search {
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-background);
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 7px 14px;
}

.search-box input {
  border: none;
  background: transparent;
  width: 100%;
  font-size: 0.88rem;
  font-family: inherit;
  color: var(--color-text);
  outline: none;
}

.conv {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  transition: background 0.15s ease;
  position: relative;
}

.conv:hover {
  background: var(--color-surface);
}

.conv.active {
  background: var(--color-surface-blue);
  border-left: 3px solid var(--color-primary);
}

.conv .av {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex: none;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
}

.conv .info {
  flex: 1;
  min-width: 0;
}

.conv .name {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.conv .snippet {
  font-size: 0.78rem;
  color: var(--color-text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.conv .time {
  font-size: 0.7rem;
  color: var(--color-text-muted);
  font-family: var(--font-primary);
  flex: none;
}

.conv .unread {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  flex: none;
}

.chat-pane {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: #fff;
}

.chat-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-background);
}

.chat-head .av {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  flex: none;
}

.chat-back-mobile {
  display: none;
}

.chat-body {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--color-surface);
  min-height: 380px;
}

.bubble {
  max-width: 65%;
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 0.88rem;
  line-height: 1.45;
  word-break: break-word;
}

.bubble.them {
  background: #fff;
  border: 1px solid var(--color-border);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  color: var(--color-text);
}

.bubble.me {
  background: var(--color-primary);
  color: #fff;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.bubble .t {
  display: block;
  margin-top: 5px;
  font-size: 0.68rem;
  opacity: 0.75;
  font-family: var(--font-primary);
}

.chat-input {
  display: flex;
  gap: 10px;
  padding: 14px 18px;
  border-top: 1px solid var(--color-border);
  background: var(--color-background);
}

.chat-input input {
  flex: 1;
  border: 1.5px solid var(--color-border);
  border-radius: 999px;
  padding: 10px 18px;
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
  background: var(--color-surface);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.chat-input input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 79, 232, 0.12);
  background: #fff;
}

/* ==================== MULTI-COLUMN CONTENT & FORM GRIDS ==================== */
.two-col,
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

.grid-3col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.settings-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 24px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.demo-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

.slot-repeater-row {
  display: grid;
  grid-template-columns: 2fr 2fr 1fr auto;
  gap: 10px;
  align-items: center;
  margin-bottom: 8px;
}

/* Smooth custom scrollbars for horizontal tables and grids */
.table-responsive::-webkit-scrollbar,
.week-grid::-webkit-scrollbar {
  height: 6px;
}

.table-responsive::-webkit-scrollbar-track,
.week-grid::-webkit-scrollbar-track {
  background: var(--paper-alt);
  border-radius: 999px;
}

.table-responsive::-webkit-scrollbar-thumb,
.week-grid::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 999px;
}

.table-responsive::-webkit-scrollbar-thumb:hover,
.week-grid::-webkit-scrollbar-thumb:hover {
  background: var(--ink-soft);
}

/* Base prevention of accidental horizontal viewport overflow */
html,
body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
}

.app-shell,
.main,
.content {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
}

/* ==================== RESPONSIVE BREAKPOINTS ==================== */

/* Base responsive table container */
.table-responsive {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 12px;
  border-radius: var(--radius-sm, 8px);
}

.table-responsive table {
  min-width: 600px;
  width: 100%;
}

.table-responsive thead th {
  white-space: nowrap;
}

.table-responsive tbody td .badge,
.table-responsive tbody td .mono,
.table-responsive tbody td .btn {
  white-space: nowrap;
}

/* Tablet Landscape & iPads (<= 1024px) */
@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
    display: block;
    width: 100%;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: -300px;
    width: 280px;
    max-width: 85vw;
    height: 100vh;
    height: 100dvh;
    transition: left .28s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1000 !important;
    box-shadow: none;
    overflow-y: auto;
  }

  .sidebar.open {
    left: 0;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.5);
  }

  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(11, 23, 57, 0.65);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 999 !important;
  }

  .sidebar-overlay.active {
    display: block !important;
  }

  .mobile-nav-toggle {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: var(--color-surface, #F8FAFC);
    border: 1.5px solid var(--color-border, #E2E8F0);
    color: var(--color-navy, #0B1739);
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    padding: 0;
    flex-shrink: 0;
    transition: all 0.15s ease;
  }

  .mobile-nav-toggle:hover {
    background: var(--color-surface-blue, #E8EFFF);
    border-color: var(--color-primary, #1A4FE8);
    color: var(--color-primary, #1A4FE8);
  }

  .sidebar .sidebar-close-btn {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 8px;
    font-size: 1.5rem;
    line-height: 1;
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    cursor: pointer;
    padding: 0;
  }

  .two-col,
  .grid-2col,
  .settings-grid,
  .hero-grid,
  .footer-grid,
  .demo-grid,
  .two-col[style],
  .grid-2col[style],
  .settings-grid[style],
  .hero-grid[style],
  .footer-grid[style],
  .demo-grid[style] {
    grid-template-columns: 1fr !important;
    gap: 22px !important;
  }

  .stat-grid,
  .stat-grid[style],
  div.stat-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }

  .tile-row,
  .tile-row[style] {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 14px !important;
  }

  .week-grid {
    grid-template-columns: repeat(7, minmax(110px, 1fr));
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
  }

  .topbar {
    padding: 15px 22px;
  }

  .content {
    padding: 22px 20px 48px;
  }
}

/* Tablet Portrait & Large Phones (<= 820px) */
@media (max-width: 820px) {
  .public-nav {
    display: none !important;
  }

  .public-header-inner {
    padding: 14px 18px !important;
  }

  .form-grid-2,
  .form-grid-3,
  .grid-3col,
  .form-grid-2[style],
  .form-grid-3[style],
  .grid-3col[style] {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .panel-head {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 12px !important;
  }

  .panel-head form {
    width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
  }

  .panel-head .search-box,
  .search-box {
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .search-box input {
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .panel-head select {
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .panel-head .btn {
    width: 100% !important;
    justify-content: center !important;
  }

  /* Messaging full mobile toggle */
  .msg-shell {
    grid-template-columns: 1fr !important;
    min-height: 520px;
  }

  .msg-shell.has-active .msg-list {
    display: none !important;
  }

  .msg-shell.has-active .chat-pane {
    display: flex !important;
  }

  .msg-shell:not(.has-active) .msg-list {
    display: block !important;
    border-right: none;
  }

  .msg-shell:not(.has-active) .chat-pane {
    display: none !important;
  }

  .chat-back-mobile {
    display: inline-flex !important;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    margin-right: 6px;
    padding: 0;
  }

  .bubble {
    max-width: 82%;
  }

  .modal-dialog,
  div.modal-dialog {
    width: calc(100% - 24px) !important;
    max-width: 100% !important;
    margin: 12px auto !important;
    padding: 22px 18px !important;
    max-height: calc(100vh - 40px) !important;
    overflow-y: auto !important;
    border-radius: 18px !important;
  }
}

/* Mobile Screens (<= 640px) */
@media (max-width: 640px) {
  .topbar {
    padding: 12px 16px;
    flex-wrap: nowrap;
    gap: 10px;
  }

  .topbar h1 {
    font-size: 1.18rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .topbar .sub {
    display: none !important;
  }

  .topbar-right {
    gap: 8px;
    margin-left: auto;
    flex-shrink: 0;
  }

  .lang-switch-top a,
  .lang-switch-top button {
    padding: 4px 8px;
    font-size: 11px;
  }

  .icon-btn {
    width: 34px;
    height: 34px;
    font-size: 0.9rem;
  }

  .content {
    padding: 16px 14px 40px;
  }

  .card {
    padding: 18px 16px;
    border-radius: 12px;
  }

  .stat-card {
    padding: 16px;
    border-radius: 12px;
  }

  .stat-card .num {
    font-size: 1.55rem;
  }

  .stat-grid,
  .stat-grid[style],
  div.stat-grid {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .tile-row,
  .tile-row[style] {
    grid-template-columns: 1fr !important;
    gap: 12px !important;
  }

  .tile {
    padding: 16px;
  }

  .tile .num {
    font-size: 1.5rem;
  }

  .slot-repeater-row {
    grid-template-columns: 1fr 1fr !important;
    gap: 8px;
  }

  .slot-repeater-row button {
    grid-column: span 2;
    justify-self: end;
  }

  .btn {
    padding: 10px 18px;
    font-size: 0.88rem;
  }

  .btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  /* Prevent iOS Safari auto-zoom on input focus */
  .field input,
  .field select,
  .field textarea,
  input,
  select,
  textarea {
    font-size: 16px !important;
    padding: 11px 12px;
  }

  table {
    font-size: 0.82rem;
  }

  thead th {
    padding: 10px 10px;
    font-size: 11px;
  }

  tbody td {
    padding: 11px 10px;
    font-size: 0.82rem;
  }

  .bar-chart {
    height: 130px;
    gap: 6px;
    overflow-x: auto;
  }

  .bar-chart .bar-wrapper {
    height: 90px;
  }

  .bar-chart .lbl {
    font-size: 10px;
  }

  .week-grid {
    grid-template-columns: repeat(7, minmax(100px, 1fr));
  }

  .slot {
    padding: 6px 7px;
    font-size: 0.72rem;
  }

  .hero {
    padding: 44px 0 28px !important;
  }

  .hero h1 {
    font-size: clamp(1.85rem, 6.8vw, 2.5rem) !important;
  }

  .badge {
    font-size: 11px;
    padding: 3px 9px;
  }

  .net-card {
    padding: 20px 16px !important;
    border-radius: 16px !important;
  }

  .net-card h2 {
    font-size: 1.65rem !important;
  }

  .net-card .formula {
    font-size: 0.78rem !important;
    white-space: normal !important;
    word-break: break-all !important;
  }
}

/* Compact Smartphones & 390px iPhone Standard (<= 480px) */
@media (max-width: 480px) {
  .topbar {
    padding: 10px 12px;
  }

  .topbar h1 {
    font-size: 1.12rem;
  }

  .content {
    padding: 14px 10px 32px;
  }

  .card {
    padding: 15px 12px;
  }

  .brand {
    font-size: 1.15rem;
    gap: 8px;
  }

  .brand-mark {
    width: 28px;
    height: 28px;
    font-size: 0.7rem;
  }

  .auth-form-side {
    padding: 24px 16px !important;
  }

  .demo-creds {
    padding: 12px !important;
  }

  .bubble {
    max-width: 88%;
    font-size: 0.84rem;
    padding: 10px 14px;
  }

  .chat-input {
    padding: 10px 12px;
  }

  .chat-input input {
    font-size: 16px !important;
    padding: 9px 14px;
  }
}

/* ==============================================================
   FLUID ENTRANCE ANIMATIONS & MICRO-INTERACTIONS
   Transforms the UI from static/abrupt into a smooth, premium experience
   ============================================================== */

@keyframes fdFadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes fdSlideUp {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fdSlideDown {
  from {
    opacity: 0;
    transform: translateY(-14px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fdScaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes fdPulseGlow {

  0%,
  100% {
    transform: scale(1);
    box-shadow: 0 0 0 0 rgba(26, 79, 232, 0.4);
  }

  50% {
    transform: scale(1.05);
    box-shadow: 0 0 0 6px rgba(26, 79, 232, 0);
  }
}

/* Smooth page and topbar entrances */
.topbar {
  animation: fdSlideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.content {
  animation: fdFadeIn 0.35s ease-out both;
}

/* Entrance animation on cards and containers */
.card,
.stat-card,
.hero,
.section-panel {
  animation: fdSlideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  transition: transform 0.24s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.24s ease, border-color 0.2s ease;
}

/* Subtle interactive hover lift on cards */
.card:hover,
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 36px -14px rgba(11, 23, 57, 0.12);
  border-color: #cdd8e4;
}

/* Staggered entrance delays for organic cascade */
.stat-grid> :nth-child(1),
.tile-row> :nth-child(1) {
  animation-delay: 0.04s;
}

.stat-grid> :nth-child(2),
.tile-row> :nth-child(2) {
  animation-delay: 0.09s;
}

.stat-grid> :nth-child(3),
.tile-row> :nth-child(3) {
  animation-delay: 0.14s;
}

.stat-grid> :nth-child(4),
.tile-row> :nth-child(4) {
  animation-delay: 0.19s;
}

.stat-grid> :nth-child(5) {
  animation-delay: 0.24s;
}

.content> :nth-child(1) {
  animation-delay: 0.02s;
}

.content> :nth-child(2) {
  animation-delay: 0.08s;
}

.content> :nth-child(3) {
  animation-delay: 0.14s;
}

.content> :nth-child(4) {
  animation-delay: 0.20s;
}

/* Enhanced micro-interactions for buttons */
.btn {
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), background 0.2s ease, color 0.2s ease, border-color 0.2s ease, box-shadow 0.24s ease;
}

.btn:active {
  transform: scale(0.97) translateY(0);
}

.btn-primary:hover {
  box-shadow: 0 8px 22px -6px rgba(26, 79, 232, 0.35);
}

.btn-teal:hover {
  box-shadow: 0 8px 22px -6px rgba(26, 79, 232, 0.35);
}

/* Sidebar navigation item sliding micro-transition */
.side-nav a {
  transition: background 0.18s ease, color 0.18s ease, transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.side-nav a:hover {
  transform: translateX(4px);
}

/* Modals & Overlays */
.modal {
  animation: fdScaleIn 0.28s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.modal-overlay {
  animation: fdFadeIn 0.2s ease-out both;
}

/* Table row interactive feedback */
tbody tr {
  transition: background 0.15s ease, transform 0.15s ease;
}

tbody tr:hover {
  background: var(--paper-alt);
}

/* Badges micro-hover */
.badge {
  transition: transform 0.15s ease, background 0.2s ease;
}

.badge:hover {
  transform: translateY(-1px);
}

/* Live indicators and progress bars */
.pbar>span {
  transition: width 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.live-dot,
.conv .unread {
  animation: fdPulseGlow 2.2s infinite ease-in-out;
}

/* Scroll Reveal Helper Classes */
.reveal-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s cubic-bezier(0.16, 1, 0.3, 1), transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-in.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger>* {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s cubic-bezier(0.16, 1, 0.3, 1), transform 0.55s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-stagger.revealed>* {
  opacity: 1;
  transform: translateY(0);
}

.reveal-stagger.revealed> :nth-child(1) {
  transition-delay: 0.05s;
}

.reveal-stagger.revealed> :nth-child(2) {
  transition-delay: 0.12s;
}

.reveal-stagger.revealed> :nth-child(3) {
  transition-delay: 0.19s;
}

.reveal-stagger.revealed> :nth-child(4) {
  transition-delay: 0.26s;
}

.reveal-stagger.revealed> :nth-child(5) {
  transition-delay: 0.33s;
}

.reveal-stagger.revealed> :nth-child(6) {
  transition-delay: 0.40s;
}

/* ==================== GLOBAL MODALS ==================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(11, 23, 57, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  overflow-y: auto;
  animation: fdModalFadeIn 0.2s ease;
}

@keyframes fdModalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-dialog {
  background: var(--color-background);
  border-radius: 18px;
  max-width: 580px;
  width: 100%;
  padding: 30px;
  box-shadow: 0 25px 50px -12px rgba(11, 23, 57, 0.35);
  border: 1px solid var(--color-border);
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
  animation: fdModalSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fdModalSlideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ==================== PROGRESS BARS ==================== */
.pbar {
  width: 100%;
  height: 8px;
  background: var(--color-surface-blue);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.pbar > span,
.pbar > .pbar-fill {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, #38BDF8 100%);
  border-radius: 999px;
  transition: width 0.35s ease;
}

/* ==================== AVATARS & ICONS ==================== */
.side-avatar {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--color-surface-blue);
  color: var(--color-primary);
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-background);
  color: var(--color-text);
  transition: all 0.2s ease;
  cursor: pointer;
  text-decoration: none;
}

.icon-btn:hover {
  background: var(--color-surface-blue);
  color: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

/* ==================== HEADER & NAVIGATION ==================== */
.lang-switch-top {
  display: inline-flex;
  align-items: center;
  background: #F1F5F9;
  padding: 3px;
  border-radius: 10px;
  border: 1px solid #E2E8F0;
  gap: 2px;
}

.lang-switch-top a {
  text-decoration: none;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 7px;
  color: #64748B;
  transition: all 0.15s ease;
  line-height: 1;
}

.lang-switch-top a:hover {
  color: var(--color-text);
}

.lang-switch-top a.active {
  background: var(--color-primary);
  color: #FFFFFF;
  box-shadow: 0 2px 6px rgba(26, 79, 232, 0.3);
}

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 1.25rem;
  cursor: pointer;
  color: var(--color-navy);
  line-height: 1;
}

@media (max-width: 860px) {
  .public-nav {
    display: none !important;
  }
  .mobile-nav-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
  }
}

/* ==================== RESPONSIVE GRIDS ==================== */
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}

@media (max-width: 991px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

.reg-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 640px) {
  .reg-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

.demo-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

@media (max-width: 900px) {
  .demo-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
}

@media (max-width: 800px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}