/* ==========================================================================
   TASBIH — Design System & Stylesheet
   Pure Vanilla CSS — Light Mode & Dark Mode
   ========================================================================== */

:root {
  /* Core Brand Colors - Islamic Emerald Theme */
  --primary-green: #0D5C3A;
  --primary-green-hover: #0a492e;
  --primary-green-light: #E8F5EE;
  --primary-green-subtle: #F0F8F3;
  --primary-green-active: #083c25;
  
  --accent-green: #1F8A58;
  --accent-green-glow: rgba(31, 138, 88, 0.25);
  --success-color: #12824C;
  --danger-color: #D33838;
  --danger-hover: #BA2A2A;
  
  /* Bead Colors - Light Mode */
  --bead-idle: #26332C;
  --bead-active: #0D5C3A;
  --bead-glow: rgba(13, 92, 58, 0.35);
  --bead-string: #D1DED6;
  --tassel-idle: #3A4B42;
  --tassel-active: #0D5C3A;

  /* Surfaces & Typography - Light Mode */
  --bg-app: #F7F9F8;
  --bg-card: #FFFFFF;
  --bg-subtle: #EDF2EE;
  --bg-modal: #FFFFFF;
  --border-color: #E2ECE5;
  --border-subtle: #EEF4F0;
  
  --text-main: #14211A;
  --text-muted: #62756A;
  --text-dim: #8E9F96;
  --text-on-green: #FFFFFF;

  /* Elevation */
  --shadow-sm: 0 2px 8px rgba(13, 92, 58, 0.05);
  --shadow-md: 0 8px 24px rgba(13, 92, 58, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.12);
  --shadow-sheet: 0 -8px 32px rgba(0, 0, 0, 0.12);

  /* Dimensions & Spacing */
  --font-family: -apple-system, BlinkMacSystemFont, 'Plus Jakarta Sans', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --primary-green: #258F5E;
  --primary-green-hover: #2DA76E;
  --primary-green-light: #162B21;
  --primary-green-subtle: #12221A;
  --primary-green-active: #34BD7D;

  --accent-green: #38B378;
  --accent-green-glow: rgba(56, 179, 120, 0.3);
  --success-color: #2BAE6F;
  --danger-color: #E64C4C;
  --danger-hover: #FF5A5A;

  /* Beads - Dark Mode */
  --bead-idle: #FFFFFF;
  --bead-active: #258F5E;
  --bead-glow: rgba(37, 143, 94, 0.5);
  --bead-string: #20352A;
  --tassel-idle: #E8EFEA;
  --tassel-active: #38B378;

  /* Surfaces & Typography - Dark Mode */
  --bg-app: #0B1511;
  --bg-card: #122019;
  --bg-subtle: #182B22;
  --bg-modal: #13221B;
  --border-color: #1F362B;
  --border-subtle: #192D23;

  --text-main: #F0F6F2;
  --text-muted: #8FA699;
  --text-dim: #60786C;
  --text-on-green: #0B1511;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-sheet: 0 -8px 32px rgba(0, 0, 0, 0.6);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  -webkit-user-select: none;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-family);
  transition: background-color var(--transition-smooth), color var(--transition-smooth);
}

/* App Viewport Container */
.app-viewport {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #050A08;
}

/* Mobile Frame Wrapper for Desktop & Standalone */
.mobile-frame {
  width: 100%;
  max-width: 440px;
  height: 100%;
  max-height: 100%;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-app);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: background-color var(--transition-smooth);
}

@media (min-width: 500px) and (min-height: 700px) {
  .mobile-frame {
    height: 94vh;
    max-height: 900px;
    border-radius: 40px;
    border: 8px solid #1a2921;
  }
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.app-header {
  height: 64px;
  padding: env(safe-area-inset-top, 12px) 20px 8px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border-subtle);
  z-index: 10;
}

.brand-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-main);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

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

.icon-btn:active {
  transform: scale(0.92);
}

.icon-btn svg {
  width: 20px;
  height: 20px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ==========================================================================
   MAIN COUNTING AREA (TAP ANYWHERE)
   ========================================================================== */
.counter-main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
  cursor: pointer;
  touch-action: manipulation;
}

/* Ripple effect container */
.ripple-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: hidden;
  z-index: 1;
}

.tap-ripple {
  position: absolute;
  border-radius: 50%;
  background: var(--accent-green-glow);
  transform: scale(0);
  animation: rippleAnimation 0.55s ease-out forwards;
}

@keyframes rippleAnimation {
  to {
    transform: scale(3.5);
    opacity: 0;
  }
}

/* Info Section (Counts, Dhikr, Target) */
.counter-info-pane {
  padding-top: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  z-index: 2;
  pointer-events: auto;
}

/* Target & Current Count Row */
.count-target-row {
  display: inline-flex;
  align-items: baseline;
  cursor: pointer;
  padding: 4px 12px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.count-target-row:hover {
  background-color: var(--bg-subtle);
}

.current-count-num {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.05;
  color: var(--text-main);
  letter-spacing: -1.5px;
  font-variant-numeric: tabular-nums;
  transition: transform 0.1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.target-divider {
  font-size: 32px;
  font-weight: 400;
  color: var(--text-muted);
  margin: 0 4px;
}

.target-count-num {
  font-size: 32px;
  font-weight: 600;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
}

.chevron-mini {
  margin-left: 6px;
  color: var(--text-muted);
  width: 16px;
  height: 16px;
  display: inline-block;
  vertical-align: middle;
}

/* Total Count */
.total-count-label {
  margin-top: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.2px;
  font-variant-numeric: tabular-nums;
}

/* Dhikr Pill / Dropdown */
.dhikr-selector-pill {
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background-color: var(--bg-subtle);
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  z-index: 5;
}

.dhikr-selector-pill:hover {
  background-color: var(--primary-green-light);
  border-color: var(--primary-green);
}

.dhikr-selector-pill:active {
  transform: scale(0.96);
}

/* ==========================================================================
   TASBIH VISUAL (CIRCULAR BEADS)
   ========================================================================== */
.tasbih-visual-container {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 10px;
  z-index: 2;
}

.tasbih-svg {
  width: 100%;
  max-width: 320px;
  max-height: 320px;
  overflow: visible;
  filter: drop-shadow(0 4px 16px rgba(0, 0, 0, 0.08));
}

/* Beads SVG Styling */
.tasbih-string {
  stroke: var(--bead-string);
  stroke-width: 3;
  stroke-dasharray: 4, 4;
  fill: none;
  opacity: 0.6;
}

.tasbih-bead {
  fill: var(--bead-idle);
  transition: fill 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), filter 0.2s ease;
  transform-origin: center;
}

.tasbih-bead.active {
  fill: var(--bead-active);
  filter: drop-shadow(0 0 5px var(--bead-glow));
}

.tasbih-bead.pulse {
  animation: beadPulse 0.3s ease-out;
}

@keyframes beadPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.45); }
  100% { transform: scale(1); }
}

/* Marker / Imam Bead & Tassel */
.tasbih-imam {
  fill: var(--tassel-idle);
  transition: fill 0.2s ease;
}

.tasbih-imam.active {
  fill: var(--tassel-active);
}

.tasbih-tassel-path {
  stroke: var(--tassel-idle);
  stroke-width: 3;
  fill: none;
  stroke-linecap: round;
  transition: stroke 0.2s ease;
}

.tasbih-tassel-path.active {
  stroke: var(--tassel-active);
}

/* Target Completed Center Badge */
.target-completed-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 6;
}

.target-completed-badge.visible {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.badge-check-circle {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-full);
  background-color: var(--primary-green);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 4px 16px var(--accent-green-glow);
  margin-bottom: 8px;
}

.badge-check-circle svg {
  width: 28px;
  height: 28px;
  stroke-width: 3;
}

.badge-text {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.2px;
  background-color: var(--bg-app);
  padding: 3px 12px;
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-sm);
}

/* Tap Hint Subtitle (Subtle) */
.tap-anywhere-hint {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-dim);
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: 0.3px;
  pointer-events: none;
}

/* ==========================================================================
   FOOTER (UNDO & RESET)
   ========================================================================== */
.app-footer {
  height: 72px;
  padding: 8px 24px env(safe-area-inset-bottom, 16px) 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-app);
  z-index: 10;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius-md);
  border: none;
  background: transparent;
  color: var(--text-main);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}

.action-btn:hover {
  background-color: var(--bg-subtle);
}

.action-btn:active {
  transform: scale(0.95);
}

.action-btn svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

.action-btn.btn-reset {
  color: var(--text-muted);
}

.action-btn.btn-reset:hover {
  color: var(--danger-color);
  background-color: rgba(211, 56, 56, 0.08);
}

/* ==========================================================================
   MODALS & BOTTOM SHEETS
   ========================================================================== */
.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Bottom Sheet Style */
.bottom-sheet {
  width: 100%;
  background-color: var(--bg-modal);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-sheet);
  border: 1px solid var(--border-color);
  border-bottom: none;
  max-height: 85%;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.modal-overlay.active .bottom-sheet {
  transform: translateY(0);
}

/* Sheet Handle (for mobile touch feel) */
.sheet-drag-handle {
  width: 36px;
  height: 4px;
  border-radius: 2px;
  background-color: var(--border-color);
  margin: 10px auto 4px auto;
  flex-shrink: 0;
}

.sheet-header {
  padding: 12px 20px 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
  flex-shrink: 0;
}

.sheet-title {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.3px;
}

.sheet-content {
  padding: 8px 0;
  overflow-y: auto;
  flex: 1;
  -webkit-overflow-scrolling: touch;
}

/* Sheet List Items */
.sheet-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 24px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-subtle);
  transition: background-color var(--transition-fast);
}

.sheet-item-row:last-child {
  border-bottom: none;
}

.sheet-item-row:hover {
  background-color: var(--bg-subtle);
}

.sheet-item-row:active {
  background-color: var(--primary-green-light);
}

.sheet-item-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-main);
}

.sheet-item-check {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  background-color: var(--primary-green);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.6);
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.sheet-item-row.selected .sheet-item-check {
  opacity: 1;
  transform: scale(1);
}

.sheet-item-check svg {
  width: 14px;
  height: 14px;
  stroke-width: 3;
}

/* Custom Input Container */
.custom-input-box {
  padding: 12px 24px 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--border-color);
}

.custom-input-row {
  display: flex;
  gap: 8px;
}

.text-input {
  flex: 1;
  height: 44px;
  padding: 0 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  font-size: 15px;
  font-family: inherit;
  outline: none;
  transition: border-color var(--transition-fast);
  user-select: text;
  -webkit-user-select: text;
}

.text-input:focus {
  border-color: var(--primary-green);
}

.btn-primary {
  padding: 0 18px;
  height: 44px;
  border-radius: var(--radius-md);
  border: none;
  background-color: var(--primary-green);
  color: #FFFFFF;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
  background-color: var(--primary-green-hover);
}

.btn-primary:active {
  transform: scale(0.96);
}

/* ==========================================================================
   SETTINGS SECTION
   ========================================================================== */
.settings-group {
  padding: 10px 24px 4px 24px;
}

.settings-group-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.settings-row:last-child {
  border-bottom: none;
}

.settings-row-label {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
}

.settings-row-sublabel {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 2px;
}

/* Toggle Switch */
.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 28px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border-color);
  transition: var(--transition-smooth);
  border-radius: 28px;
}

.slider::before {
  position: absolute;
  content: "";
  height: 20px;
  width: 20px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: var(--transition-smooth);
  border-radius: 50%;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

input:checked + .slider {
  background-color: var(--primary-green);
}

input:checked + .slider::before {
  transform: translateX(20px);
}

/* Select Dropdown */
.theme-select {
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-main);
  font-size: 14px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
}

/* Danger Button Row */
.settings-clickable-row {
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.settings-clickable-row:hover {
  opacity: 0.75;
}

/* ==========================================================================
   CENTERED CONFIRMATION DIALOG (RESET MODAL)
   ========================================================================== */
.modal-overlay.dialog-mode {
  align-items: center;
}

.dialog-card {
  width: 90%;
  max-width: 320px;
  background-color: var(--bg-modal);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  padding: 24px;
  text-align: center;
  transform: scale(0.9);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .dialog-card {
  transform: scale(1);
}

.dialog-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
}

.dialog-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.45;
  margin-bottom: 24px;
}

.dialog-actions {
  display: flex;
  gap: 12px;
}

.btn-secondary {
  flex: 1;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-subtle);
  color: var(--text-main);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-danger {
  flex: 1;
  height: 44px;
  border-radius: var(--radius-md);
  border: none;
  background-color: var(--danger-color);
  color: #FFFFFF;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

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

/* Install PWA Prompt Banner */
.install-banner {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 8px 16px;
  background-color: var(--primary-green-light);
  border-bottom: 1px solid var(--border-color);
  font-size: 13px;
  color: var(--primary-green);
  font-weight: 600;
}

.install-banner.visible {
  display: flex;
}

.install-banner-btn {
  padding: 4px 10px;
  background-color: var(--primary-green);
  color: #FFFFFF;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
}