/* =============================================================================
   Vodafone Design System Implementation for Rust (rust.wilcohendriks.nl)
   Strictly derived from DESIGN-vodafone.md
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700;800&display=swap');

:root {
  /* ─── Colors ───────────────────────────────────────────────────────────── */
  --color-primary: #e60000;
  --color-primary-hover: #cc0000;
  --color-primary-active: #b30000;
  --color-on-primary: #ffffff;
  --color-ink: #25282b;
  --color-body: #7e7e7e;
  --color-mute: #bebebe;
  --color-canvas: #ffffff;
  --color-canvas-soft: #f2f2f2;
  --color-on-dark: #ffffff;
  --color-border-light: #e5e5e5;

  /* ─── Typography Tokens ────────────────────────────────────────────────── */
  --font-family: 'Vodafone', 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* ─── Rounded Scale ────────────────────────────────────────────────────── */
  --rounded-none: 0px;
  --rounded-xs: 1px;
  --rounded-sm: 6px;
  --rounded-card: 6px;
  --rounded-pill-md: 32px;
  --rounded-pill-lg: 60px;
  --rounded-full: 9999px;

  /* ─── Spacing Scale (4px base) ─────────────────────────────────────────── */
  --spacing-xxs: 2px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  --spacing-4xl: 48px;

  /* ─── Layout Max Width ─────────────────────────────────────────────────── */
  --container-max: 1200px;
}

/* ─── Base Reset & Typography ────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-family: var(--font-family);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--color-canvas);
  color: var(--color-ink);
  font-size: 16px;
}

/* ─── Typographic Classes ────────────────────────────────────────────────── */
.display-hero {
  font-family: var(--font-family);
  font-size: clamp(38px, 6vw, 84px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -1px;
  text-transform: uppercase;
  color: var(--color-on-dark);
}

.display-xl {
  font-family: var(--font-family);
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

.display-lg {
  font-family: var(--font-family);
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 300;
  line-height: 1.2;
}

.display-md {
  font-family: var(--font-family);
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 300;
  line-height: 1.3;
}

.display-sm {
  font-family: var(--font-family);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
}

.eyebrow-uppercase {
  font-family: var(--font-family);
  font-size: 14px;
  font-weight: 800;
  line-height: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
}

.body-lg {
  font-size: 20px;
  font-weight: 400;
  line-height: 1.5;
}

.body-md {
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
}

.body-md-strong {
  font-size: 18px;
  font-weight: 600;
  line-height: 1.6;
}

.body-sm {
  font-size: 15px;
  font-weight: 400;
  line-height: 1.4;
}

.body-sm-strong {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.caption {
  font-size: 13px;
  font-weight: 400;
  color: var(--color-body);
}

.caption-strong {
  font-size: 13px;
  font-weight: 700;
}

.caption-uppercase {
  font-size: 12px;
  font-weight: 700;
  line-height: 16px;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

/* ─── Buttons (Pill-lg 60px) ─────────────────────────────────────────────── */
.button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border: 1px solid var(--color-primary);
  border-radius: var(--rounded-pill-lg);
  padding: 12px 28px;
  font-family: var(--font-family);
  font-size: 17px;
  font-weight: 600;
  line-height: 24px;
  cursor: pointer;
  text-decoration: none;
  transition: background-color 0.15s ease, transform 0.1s ease;
  min-height: 50px;
  white-space: nowrap;
}

.button-primary:hover {
  background-color: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.button-primary:active {
  background-color: var(--color-primary-active);
  transform: scale(0.98);
}

.button-outline-red {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background-color: var(--color-canvas);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: var(--rounded-pill-lg);
  padding: 11px 26px;
  font-family: var(--font-family);
  font-size: 17px;
  font-weight: 600;
  line-height: 24px;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  min-height: 50px;
  white-space: nowrap;
}

.button-outline-red:hover {
  background-color: var(--color-canvas-soft);
}

.button-outline-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  border: 1.5px solid var(--color-ink);
  border-radius: var(--rounded-pill-lg);
  padding: 11px 26px;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
  min-height: 48px;
}

.button-outline-dark:hover {
  background-color: var(--color-canvas-soft);
}

.button-outline-on-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  background-color: transparent;
  color: var(--color-on-dark);
  border: 1.5px solid var(--color-on-dark);
  border-radius: var(--rounded-pill-lg);
  padding: 11px 24px;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.15s ease;
}

.button-outline-on-dark:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.button-sm {
  padding: 8px 18px;
  font-size: 14px;
  min-height: 38px;
}

.button-icon-circular {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--rounded-full);
  background-color: var(--color-canvas);
  color: var(--color-ink);
  border: 1px solid var(--color-border-light);
  cursor: pointer;
  transition: all 0.15s ease;
}

.button-icon-circular:hover {
  background-color: var(--color-canvas-soft);
  color: var(--color-primary);
}

/* ─── Speechmark Logo Orb ────────────────────────────────────────────────── */
.speechmark-logo-orb {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: var(--rounded-sm);
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  font-weight: 800;
  box-shadow: none;
}

.speechmark-logo-orb svg {
  width: 22px;
  height: 22px;
  fill: currentColor;
}

/* ─── Top Navigation Bar (nav-bar) ───────────────────────────────────────── */
.nav-bar {
  background-color: var(--color-ink);
  color: var(--color-on-dark);
  padding: var(--spacing-md) var(--spacing-2xl);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  text-decoration: none;
  color: var(--color-on-dark);
}

.brand-title {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.5px;
  text-transform: uppercase;
}

.brand-badge {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--color-on-dark);
  padding: 2px 8px;
  border-radius: var(--rounded-pill-md);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-link {
  color: var(--color-on-dark);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: var(--spacing-xs) var(--spacing-sm);
  transition: color 0.15s ease;
  position: relative;
}

.nav-link:hover {
  color: #ff6666;
}

.nav-user-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* ─── Hero Band Dark (hero-band-dark) ─────────────────────────────────────── */
.hero-band-dark {
  background-color: var(--color-ink);
  color: var(--color-on-dark);
  padding: var(--spacing-3xl) var(--spacing-2xl) var(--spacing-4xl);
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--color-primary);
}

.hero-band-dark::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background: radial-gradient(circle at 85% 20%, rgba(230, 0, 0, 0.18) 0%, transparent 60%);
  pointer-events: none;
}

.hero-container {
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 800px;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--color-primary);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
  font-size: clamp(16px, 2.2vw, 20px);
  color: #d1d5db;
  font-weight: 300;
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.5;
}

/* ─── Quick Log Hero Banner ──────────────────────────────────────────────── */
.quick-log-hero-card {
  background-color: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--rounded-card);
  padding: var(--spacing-xl);
  margin-top: var(--spacing-lg);
  backdrop-filter: blur(8px);
}

.quick-log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-md);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.quick-log-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-on-dark);
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-log-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-lg);
}

@media (max-width: 768px) {
  .quick-log-grid {
    grid-template-columns: 1fr;
  }
}

.quick-section-title {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #9ca3af;
  margin-bottom: var(--spacing-sm);
  display: flex;
  justify-content: space-between;
}

/* ─── Sticky Tab Bar (4 Hoofdmodules) ────────────────────────────────────── */
.tabs-navigation-bar {
  background-color: var(--color-canvas);
  border-bottom: 1px solid var(--color-border-light);
  position: sticky;
  top: 64px;
  z-index: 90;
}

.tabs-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  gap: var(--spacing-xs);
  overflow-x: auto;
  padding: 0 var(--spacing-md);
  scrollbar-width: none;
}

.tabs-container::-webkit-scrollbar {
  display: none;
}

.tab-button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-body);
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease;
}

.tab-button:hover {
  color: var(--color-ink);
}

.tab-button.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-button .tab-icon {
  font-size: 18px;
}

/* ─── Main Content Container ─────────────────────────────────────────────── */
.main-content {
  flex: 1;
  max-width: var(--container-max);
  width: 100%;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.tab-pane {
  display: none;
  animation: fadeIn 0.2s ease-in-out;
}

.tab-pane.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Card Content & Containers ──────────────────────────────────────────── */
.card-content {
  background-color: var(--color-canvas);
  color: var(--color-ink);
  border: 1px solid var(--color-border-light);
  border-radius: var(--rounded-card);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.card-soft {
  background-color: var(--color-canvas-soft);
  border: 1px solid #e0e0e0;
}

.card-header-flex {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

/* ─── Form Elements & Inputs (text-input) ─────────────────────────────────── */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--color-ink);
}

.text-input,
.select-input,
.textarea-input {
  width: 100%;
  background-color: var(--color-canvas);
  color: var(--color-ink);
  border: 1.5px solid var(--color-ink);
  border-radius: var(--rounded-sm);
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: 15px;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
}

.text-input:focus,
.select-input:focus,
.textarea-input:focus {
  border-color: var(--color-primary);
}

.textarea-input {
  min-height: 110px;
  resize: vertical;
}

/* ─── Badge Chips (badge-chip) ───────────────────────────────────────────── */
.badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: var(--color-canvas-soft);
  color: var(--color-ink);
  border: 1px solid #dfdfdf;
  border-radius: var(--rounded-pill-md);
  padding: 6px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  transition: all 0.15s ease;
}

.badge-chip:hover {
  background-color: #e5e5e5;
  border-color: #ccc;
}

.badge-chip.active {
  background-color: var(--color-ink);
  color: var(--color-on-dark);
  border-color: var(--color-ink);
}

.badge-chip-red.active {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

.chips-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-top: 4px;
}

/* ─── Number / Pain Intensity Selector 1-10 ──────────────────────────────── */
.pain-scale-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 6px;
  margin-top: 6px;
}

@media (max-width: 640px) {
  .pain-scale-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
  }
}

.pain-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 48px;
  background-color: var(--color-canvas-soft);
  color: var(--color-ink);
  border: 1px solid #d5d5d5;
  border-radius: var(--rounded-sm);
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s ease;
}

.pain-btn:hover {
  background-color: #e0e0e0;
  transform: translateY(-1px);
}

.pain-btn.active {
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}

/* Pain Level Colors for Badges */
.intensity-badge-low {
  background-color: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #c8e6c9;
}

.intensity-badge-mid {
  background-color: #fff8e1;
  color: #f57f17;
  border: 1px solid #ffecb3;
}

.intensity-badge-high {
  background-color: #ffebee;
  color: #c62828;
  border: 1px solid #ffcdd2;
}

/* ─── Mood Picker Buttons 1-5 ────────────────────────────────────────────── */
.mood-picker-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  margin-top: 6px;
}

@media (max-width: 540px) {
  .mood-picker-row {
    grid-template-columns: repeat(3, 1fr);
  }
}

.mood-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 6px;
  background-color: var(--color-canvas-soft);
  color: var(--color-ink);
  border: 1.5px solid #dcdcdc;
  border-radius: var(--rounded-sm);
  cursor: pointer;
  transition: all 0.15s ease;
}

.mood-btn .mood-emoji {
  font-size: 26px;
  margin-bottom: 2px;
}

.mood-btn .mood-text {
  font-size: 12px;
  font-weight: 700;
}

.mood-btn:hover {
  background-color: #e5e5e5;
}

.mood-btn.active {
  background-color: var(--color-ink);
  color: var(--color-on-dark);
  border-color: var(--color-ink);
}

/* ─── Energy Slider / Picker ─────────────────────────────────────────────── */
.energy-slider-wrapper {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-top: 8px;
}

.energy-slider {
  flex: 1;
  height: 8px;
  border-radius: var(--rounded-full);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  background: linear-gradient(to right, #4caf50 0%, #ff9800 50%, #e60000 100%);
}

.energy-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: var(--rounded-full);
  background-color: var(--color-ink);
  border: 2px solid #ffffff;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

.energy-value-pill {
  min-width: 44px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-ink);
  color: var(--color-on-dark);
  border-radius: var(--rounded-pill-md);
  font-weight: 700;
  font-size: 14px;
}

/* ─── Grid & Timeline Stream (History Cards) ─────────────────────────────── */
.history-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.history-item-card {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border-light);
  border-radius: var(--rounded-card);
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  transition: border-color 0.15s ease;
}

.history-item-card:hover {
  border-color: var(--color-mute);
}

.history-item-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.history-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.history-item-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.btn-delete-item {
  background: none;
  border: none;
  color: var(--color-body);
  font-size: 13px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--rounded-xs);
  transition: color 0.15s ease;
}

.btn-delete-item:hover {
  color: var(--color-primary);
}

/* ─── Stats KPI Metric Cards ─────────────────────────────────────────────── */
.stats-grid-kpi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.kpi-card {
  background-color: var(--color-canvas-soft);
  border: 1px solid var(--color-border-light);
  border-radius: var(--rounded-card);
  padding: var(--spacing-xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.kpi-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-body);
  margin-bottom: var(--spacing-xs);
}

.kpi-value {
  font-size: 36px;
  font-weight: 800;
  color: var(--color-ink);
  line-height: 1.1;
}

.kpi-subtext {
  font-size: 13px;
  color: var(--color-body);
  margin-top: var(--spacing-sm);
}

.chart-card {
  background-color: var(--color-canvas);
  border: 1px solid var(--color-border-light);
  border-radius: var(--rounded-card);
  padding: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.chart-wrapper {
  position: relative;
  width: 100%;
  min-height: 280px;
}

/* ─── Period Selector (Pills) ────────────────────────────────────────────── */
.period-selector-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  background-color: var(--color-canvas-soft);
  padding: 4px;
  border-radius: var(--rounded-pill-lg);
  border: 1px solid var(--color-border-light);
}

.period-pill-btn {
  background: none;
  border: none;
  padding: 6px 16px;
  border-radius: var(--rounded-pill-lg);
  font-family: var(--font-family);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-body);
  cursor: pointer;
  transition: all 0.15s ease;
}

.period-pill-btn:hover {
  color: var(--color-ink);
}

.period-pill-btn.active {
  background-color: var(--color-ink);
  color: var(--color-on-dark);
}

/* ─── Correlation Insight Banner ─────────────────────────────────────────── */
.insight-banner {
  background-color: #fef2f2;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--rounded-card) var(--rounded-card) 0;
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.insight-banner-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.insight-banner-text {
  font-size: 14px;
  color: var(--color-body);
  line-height: 1.5;
}

/* ─── Modals (Dialog Surfaces) ───────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(37, 40, 43, 0.75);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--spacing-md);
  backdrop-filter: blur(3px);
}

.modal-backdrop.open {
  display: flex;
}

.modal-box {
  background-color: var(--color-canvas);
  border-radius: var(--rounded-card);
  max-width: 580px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  padding: var(--spacing-2xl);
  border: 1px solid var(--color-border-light);
  animation: modalPop 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalPop {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-xl);
}

.modal-close-btn {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--color-body);
  cursor: pointer;
  line-height: 1;
  padding: 4px;
}

.modal-close-btn:hover {
  color: var(--color-ink);
}

/* ─── Toast Notifications ────────────────────────────────────────────────── */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  background-color: var(--color-ink);
  color: var(--color-on-dark);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--rounded-sm);
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideToast 0.25s ease-out;
}

.toast-success {
  border-left-color: #10b981;
}

.toast-error {
  border-left-color: var(--color-primary);
}

@keyframes slideToast {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* ─── Floating Quick Action Button (Mobile & Desktop) ────────────────────── */
.fab-quick-log {
  position: fixed;
  bottom: 28px;
  right: 28px;
  background-color: var(--color-primary);
  color: var(--color-on-primary);
  border: none;
  border-radius: var(--rounded-pill-lg);
  padding: 14px 24px;
  font-family: var(--font-family);
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(230, 0, 0, 0.35);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 80;
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.fab-quick-log:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-2px);
}

.fab-quick-log:active {
  transform: translateY(0);
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  background-color: var(--color-ink);
  color: var(--color-on-dark);
  padding: var(--spacing-4xl) var(--spacing-2xl);
  margin-top: auto;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-container {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2xl);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: var(--spacing-2xl);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  font-size: 13px;
  color: var(--color-mute);
}

/* ─── Responsive Adjustments ─────────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav-bar {
    padding: var(--spacing-sm) var(--spacing-md);
  }
  
  .nav-links {
    display: none; /* Tab bar handles in-app navigation */
  }

  .tabs-navigation-bar {
    top: 57px;
  }

  .tab-button {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 14px;
  }

  .hero-band-dark {
    padding: var(--spacing-2xl) var(--spacing-md) var(--spacing-3xl);
  }

  .main-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .fab-quick-log {
    bottom: 20px;
    right: 20px;
    padding: 12px 18px;
    font-size: 14px;
  }
}