/* ═══════════════════════════════════════════════════════════
   FlowDeck — Design Tokens & System
   Theme variables, light/dark mode, skeletons, toasts, shared UI
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ═══════════ THEME VARIABLES (Dark — default) ═══════════ */
:root {
  /* ===== Background ===== */
  --bg-primary: #191919;
  --bg-secondary: #1f1f1f;
  --bg-sidebar: #222222;
  --bg-tertiary: #333333;
  --bg-hover: #2a2a2a;
  --bg-active: #2F2E2E;
  --bg-modal: #252525;

  /* ===== Text ===== */
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-dim: #6B6B6B;
  --text-muted: #4A4A4A;
  --text: #FFFFFF;

  /* ===== Borders ===== */
  --border: #333333;
  --border-color: rgba(255,255,255,0.06);
  --border-light: #3a3a3a;
  --border-strong: #4a4a4a;

  /* ===== Accent Colors ===== */
  --blue: #3366CC;
  --blue-bg: #1a2744;
  --green: #00CC66;
  --green-bg: #1a332a;
  --yellow: #FFD700;
  --orange: #D9730D;
  --red: #E03E3E;
  --purple: #9B72F0;
  --pink: #E255A1;
  --gray: #787774;
  --brown: #9D6E4A;

  --accent: #2383E2;
  --accent-hover: #1a6bc0;
  --danger: #E03E3E;
  --danger-hover: #C93535;

  /* ===== Typography ===== */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', monospace;

  /* ===== Dimensions ===== */
  --sidebar-width: 240px;
  --sidebar-collapsed: 0px;
  --topbar-height: 40px;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius: 8px;

  /* ===== Spacing ===== */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;

  /* ===== Transitions ===== */
  --transition: 0.15s ease;

  /* ===== Toast colors ===== */
  --toast-success-bg: #0F7B6C;
  --toast-success-text: #FFFFFF;
  --toast-error-bg: #E03E3E;
  --toast-error-text: #FFFFFF;
  --toast-info-bg: #2383E2;
  --toast-info-text: #FFFFFF;
}

/* ═══════════ LIGHT THEME ═══════════ */
[data-theme="light"] {
  --bg-primary: #FFFFFF;
  --bg-secondary: #FBFBFA;
  --bg-sidebar: #F7F6F3;
  --bg-tertiary: #EDEDEC;
  --bg-hover: #EFEFEE;
  --bg-active: #E8E7E4;
  --bg-modal: #FFFFFF;

  --text-primary: #1A1A1A;
  --text-secondary: #6B6B6B;
  --text-dim: #9B9B9B;
  --text-muted: #B0B0B0;
  --text: #37352F;

  --border: #E0E0E0;
  --border-color: rgba(0,0,0,0.06);
  --border-light: #EDEDEC;
  --border-strong: #CCCBC8;

  --blue-bg: #E8F0FE;
  --green-bg: #E6F4EA;
}

/* ═══════════ RESET ADDITIONS ═══════════ */
[x-cloak] { display: none !important; }

/* ═══════════ SKELETON LOADING ═══════════ */
.skeleton {
  background: var(--bg-tertiary);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: 4px;
}

@keyframes skeleton-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .5; }
}

/* Skeleton variants for different contexts */
.skeleton-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  pointer-events: none;
}

.skeleton-card .skeleton-line {
  height: 14px;
  margin-bottom: 10px;
  border-radius: 4px;
}

.skeleton-card .skeleton-line:last-child { margin-bottom: 0; }

.skeleton-file {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-secondary);
  max-height: 70vh;
  overflow: hidden;
}

.skeleton-line {
  background: var(--bg-tertiary);
  animation: skeleton-pulse 1.5s ease-in-out infinite;
  border-radius: 4px;
}

.skeleton-table {
  overflow: hidden;
}

.skeleton-table .skeleton-line {
  height: 40px;
  margin-bottom: 2px;
  border-radius: 0;
}

/* ═══════════ TOAST NOTIFICATIONS ═══════════ */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  font-family: var(--font-sans);
  max-width: 400px;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
  pointer-events: auto;
  animation: toast-slide-in 0.25s ease-out;
  backdrop-filter: blur(4px);
}

.toast-success {
  background: var(--toast-success-bg);
  color: var(--toast-success-text);
}

.toast-error {
  background: var(--toast-error-bg);
  color: var(--toast-error-text);
}

.toast-info {
  background: var(--toast-info-bg);
  color: var(--toast-info-text);
}

@keyframes toast-slide-in {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ═══════════ SHARED BUTTONS ═══════════ */
.btn {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  font-weight: 500;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-family: var(--font-sans);
  transition: background var(--transition), color var(--transition);
}

.btn:hover {
  background: var(--bg-tertiary);
  color: var(--text);
}

.btn-primary {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  border: none;
  font-weight: 500;
  font-family: var(--font-sans);
  background: var(--accent);
  color: #fff;
}

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

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-danger {
  background: rgba(255,80,80,.15);
  color: var(--danger);
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  font-weight: 500;
  font-family: var(--font-sans);
}

.btn-danger:hover {
  background: rgba(255,80,80,.25);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  cursor: pointer;
  font-weight: 500;
  font-family: var(--font-sans);
  transition: background var(--transition);
}

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

.btn-sm {
  padding: 4px 8px;
  font-size: 11px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-family: var(--font-sans);
}

.btn-sm:hover {
  background: var(--bg-tertiary);
  color: var(--text);
}

.btn-sm-danger {
  color: var(--danger);
  border-color: rgba(255,80,80,.3);
}

.btn-new {
  border: 1px dashed var(--border-strong);
  background: transparent;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
}

.btn-new:hover {
  background: var(--bg-tertiary);
  color: var(--text);
}

/* ═══════════ SHARED FORMS ═══════════ */
.settings-input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  padding: 6px 10px;
  outline: none;
  width: 100%;
  font-family: var(--font-sans);
}

.settings-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(35,131,226,.25);
}

.settings-select {
  background: var(--bg-tertiary);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  font-size: 13px;
  outline: none;
  cursor: pointer;
  min-width: 140px;
  font-family: var(--font-sans);
}

.settings-select:focus {
  border-color: var(--accent);
}

/* ═══════════ SHARED DIALOGS ═══════════ */
.dialog-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
}

.dialog-box {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  width: 400px;
  max-width: 90vw;
}

.dialog-box h3 {
  margin-bottom: 16px;
  color: var(--text);
}

.dialog-input {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
  margin-bottom: 12px;
  outline: none;
  font-family: var(--font-sans);
}

.dialog-input:focus {
  border-color: var(--accent);
}

.dialog-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

/* ═══════════ MODAL ═══════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
}

.modal-box {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  min-width: 320px;
  box-shadow: 0 12px 40px rgba(0,0,0,.8);
}

.modal-box h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

/* ═══════════ DROPDOWN ═══════════ */
.dropdown-panel {
  display: none;
  position: absolute;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.5);
  z-index: 300;
  min-width: 180px;
  padding: 4px 0;
}

.dropdown-panel.visible {
  display: block;
}

.dropdown-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}

.dropdown-option:hover {
  background: var(--bg-hover);
}

/* ═══════════ EMPTY STATE ═══════════ */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}

.empty-state h2 {
  font-size: 18px;
  margin-bottom: 8px;
  color: var(--text);
}

/* ═══════════ TEXT UTILITIES ═══════════ */
.text-dim { color: var(--text-dim); }
.text-xs { font-size: 12px; }
.text-secondary { color: var(--text-secondary); }

/* ═══════════ PASSWORD TOGGLE ═══════════ */
.pw-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.pw-toggle {
  position: absolute;
  right: 6px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
  color: var(--text-dim);
  font-family: var(--font-sans);
}