/* Main CSS - loaded first */
/* Personal Command Center - Main Stylesheet */
/* WCAG 2.2 AA accessible, responsive, mobile-first */

:root {
  --color-bg: #f5f5f7;
  --color-bg-alt: #ffffff;
  --color-bg-card: #ffffff;
  --color-bg-hover: #e8e8ed;
  --color-text: #1c1c1e;
  --color-text-secondary: #636366;
  --color-text-muted: #8e8e93;
  --color-border: #d1d1d6;
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-primary-text: #ffffff;
  --color-primary-bg: #dbeafe;
  --color-success: #16a34a;
  --color-success-bg: #dcfce7;
  --color-warning: #d97706;
  --color-warning-bg: #fef3c7;
  --color-danger: #dc2626;
  --color-danger-bg: #fee2e2;
  --color-info: #0891b2;
  --color-info-bg: #cffafe;
  --color-priority-a: #dc2626;
  --color-priority-a-bg: #fee2e2;
  --color-priority-b: #d97706;
  --color-priority-b-bg: #fef3c7;
  --color-priority-c: #16a34a;
  --color-priority-c-bg: #dcfce7;
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --font-family: 'Inter', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --line-height: 1.6;
  --sidebar-width: 260px;
  --topbar-height: 56px;
  --card-radius: 12px;
  --btn-radius: 8px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
}

[data-theme="dark"] {
  --color-bg: #1a1a2e;
  --color-bg-alt: #16213e;
  --color-bg-card: #1e293b;
  --color-bg-hover: #334155;
  --color-text: #f1f5f9;
  --color-text-secondary: #94a3b8;
  --color-text-muted: #64748b;
  --color-border: #334155;
  --color-primary: #60a5fa;
  --color-primary-hover: #93bbfd;
  --color-primary-bg: #1e3a5f;
}

[data-text-size="small"] { --text-scale: 0.875; }
[data-text-size="large"] { --text-scale: 1.125; }
[data-text-size="xlarge"] { --text-scale: 1.25; }

[data-contrast="high"] {
  --color-text: #000000;
  --color-text-secondary: #1a1a1a;
  --color-border: #000000;
  --color-primary: #0044cc;
  --color-success: #006600;
  --color-warning: #996600;
  --color-danger: #cc0000;
}

[data-reduced-motion="true"] * {
  animation-duration: 0.01ms !important;
  transition-duration: 0.01ms !important;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: calc(16px * var(--text-scale, 1)); -webkit-text-size-adjust: 100%; }

body { font-family: var(--font-family); font-size: 1rem; line-height: 1.6; color: var(--color-text); background: var(--color-bg); min-height: 100vh; }

h1 { font-size: var(--font-size-3xl); margin-bottom: 1.5rem; }
h2 { font-size: var(--font-size-2xl); margin-bottom: 1rem; }
h3 { font-size: var(--font-size-xl); margin-bottom: 0.5rem; }

a { color: var(--color-primary); }
a:hover { color: var(--color-primary-hover); text-decoration: underline; }

:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 2px; }

.skip-link { position: absolute; top: -100%; left: 1rem; background: var(--color-primary); color: var(--color-primary-text); padding: 0.5rem 1rem; z-index: 10000; font-weight: 600; border-radius: 0 0 8px 8px; }
.skip-link:focus { top: 0; }

.app-container { display: flex; min-height: 100vh; }

.top-bar { position: fixed; top: 0; left: 0; right: 0; height: 56px; background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border); display: flex; align-items: center; justify-content: space-between; padding: 0 1rem; z-index: 100; }

.top-bar__logo { display: flex; align-items: center; gap: 0.5rem; text-decoration: none; color: var(--color-text); font-weight: 700; font-size: 1.25rem; }

.sidebar { position: fixed; top: 56px; left: 0; bottom: 0; width: 260px; background: var(--color-bg-alt); border-right: 1px solid var(--color-border); overflow-y: auto; z-index: 90; padding: 0.5rem 0; }

.sidebar__link { display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 1.5rem; color: var(--color-text); text-decoration: none; font-weight: 500; min-height: 44px; }

.sidebar__link:hover { background: var(--color-bg-hover); color: var(--color-primary); }

.sidebar__item--active .sidebar__link { border-left: 3px solid var(--color-primary); padding-left: calc(1.5rem - 3px); font-weight: 600; color: var(--color-primary); background: var(--color-primary-bg); }

.sidebar__divider { height: 1px; background: var(--color-border); margin: 0.5rem 1.5rem; }

.main-content { margin-left: 260px; margin-top: 56px; padding: 1.5rem; min-height: calc(100vh - 56px); width: 100%; }

.container { max-width: 1280px; margin: 0 auto; }

.card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: 12px; padding: 1.5rem; margin-bottom: 1.5rem; box-shadow: var(--shadow-sm); }

.card__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--color-border); }

.card__title { font-size: 1.125rem; font-weight: 600; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; padding: 0.5rem 1.5rem; font-size: 1rem; font-weight: 600; font-family: inherit; line-height: 1.4; border: 2px solid transparent; border-radius: 8px; cursor: pointer; min-height: 44px; min-width: 44px; }

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

.btn--outline { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn--outline:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-bg); }

.btn--small { padding: 0.25rem 1rem; font-size: 0.875rem; min-height: 36px; min-width: 36px; }
.btn--full { width: 100%; }

.btn-icon { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: none; background: transparent; cursor: pointer; border-radius: 8px; font-size: 1.25rem; color: var(--color-text); }
.btn-icon:hover { background: var(--color-bg-hover); }

.form-input, .form-select, .form-textarea { width: 100%; padding: 0.5rem 1rem; font-size: 1rem; font-family: inherit; color: var(--color-text); background: var(--color-bg); border: 2px solid var(--color-border); border-radius: 8px; min-height: 44px; }

.form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--color-primary); outline: none; box-shadow: 0 0 0 3px var(--color-primary-bg); }

.badge { display: inline-flex; align-items: center; gap: 2px; padding: 2px 0.5rem; font-size: 0.75rem; font-weight: 600; border-radius: 999px; text-transform: uppercase; border: 1px solid; }

.badge--a { color: var(--color-priority-a); background: var(--color-priority-a-bg); border-color: var(--color-priority-a); }
.badge--b { color: var(--color-priority-b); background: var(--color-priority-b-bg); border-color: var(--color-priority-b); }
.badge--c { color: var(--color-priority-c); background: var(--color-priority-c-bg); border-color: var(--color-priority-c); }
.badge--success { color: var(--color-success); background: var(--color-success-bg); border-color: var(--color-success); }

.progress-bar { width: 100%; height: 12px; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: 999px; overflow: hidden; }

.progress-bar__fill { height: 100%; background: var(--color-primary); border-radius: 999px; transition: width 250ms ease; }

.progress-label { display: flex; justify-content: space-between; margin-bottom: 0.25rem; font-size: 0.875rem; color: var(--color-text-secondary); }

.dashboard-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.dashboard-grid__full { grid-column: 1 / -1; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.gap-sm { gap: 0.5rem; }
.gap-md { gap: 1rem; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.mt-sm { margin-top: 0.5rem; }
.mt-md { margin-top: 1rem; }
.mb-sm { margin-bottom: 0.5rem; }
.mb-md { margin-bottom: 1rem; }
.mb-lg { margin-bottom: 1.5rem; }
.text-muted { color: var(--color-text-muted); }
.text-sm { font-size: 0.875rem; }
.text-center { text-align: center; }

.period-selector { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }

.period-btn { padding: 0.5rem 1rem; font-size: 0.875rem; font-weight: 500; background: var(--color-bg-alt); border: 2px solid var(--color-border); border-radius: 8px; cursor: pointer; color: var(--color-text-secondary); min-height: 40px; }

.period-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.period-btn--active { background: var(--color-primary); border-color: var(--color-primary); color: var(--color-primary-text); }

.priority-card { display: flex; align-items: flex-start; gap: 1rem; padding: 1rem; border: 1px solid var(--color-border); border-radius: 12px; margin-bottom: 0.5rem; }

.priority-card__marker { font-size: 1.5rem; font-weight: 700; min-width: 40px; text-align: center; }

.loading { opacity: 0.5; pointer-events: none; }

.sample-banner { padding: 0.5rem 1rem; background: repeating-linear-gradient(45deg, var(--color-warning-bg), var(--color-warning-bg) 10px, var(--color-bg-card) 10px, var(--color-bg-card) 20px); border: 2px solid var(--color-warning); border-radius: 12px; text-align: center; font-weight: 700; font-size: 0.875rem; margin-bottom: 1.5rem; }

.auth-gateway { display: flex; align-items: center; justify-content: center; min-height: 100vh; }

.auth-gateway__card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: 12px; padding: 3rem; max-width: 420px; width: 90%; text-align: center; box-shadow: var(--shadow-lg); }

.auth-gateway__logo { font-size: 3rem; margin-bottom: 1.5rem; }

@media (max-width: 768px) {
  .dashboard-grid, .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .main-content { margin-left: 0; padding: 1rem; }
  .sidebar { transform: translateX(-100%); }
  .sidebar--open { transform: translateX(0); width: 280px; }
  h1 { font-size: 1.5rem; }
}

.btn--google { background: #ffffff; color: #1a1a1a; border: 2px solid #dadce0; font-weight: 500; }
.btn--google:hover { background: #f8f9fa; border-color: #4285f4; }

.task-item { padding: 0.5rem 1rem; border-left: 4px solid var(--color-border); }
.task-item--a { border-left-color: #000; }
.task-item--b { border-left-style: double; border-left-color: #666; }
.task-item--c { border-left-style: dotted; border-left-color: #999; }