/* c:\Users\Carlitos Herrrera\Documents\Personal\Control Tiempo Trabajo\css\design-system.css */

:root {
  --clr-bg: #07071A;
  --clr-surface: #0D0D2B;
  --clr-card: rgba(255,255,255,0.04);
  --clr-card-hover: rgba(255,255,255,0.07);
  --clr-border: rgba(255,255,255,0.08);
  --clr-border-strong: rgba(255,255,255,0.15);
  --clr-primary: #7C6FFF;
  --clr-primary-dark: #5B4FE0;
  --clr-primary-glow: rgba(124,111,255,0.25);
  --clr-primary-subtle: rgba(124,111,255,0.1);
  --clr-accent: #00D4FF;
  --clr-accent-glow: rgba(0,212,255,0.2);
  --clr-success: #00D48A;
  --clr-success-subtle: rgba(0,212,138,0.1);
  --clr-warning: #FFB84D;
  --clr-warning-subtle: rgba(255,184,77,0.1);
  --clr-error: #FF6B6B;
  --clr-error-subtle: rgba(255,107,107,0.1);
  --clr-text: #E0E0FF;
  --clr-text-sub: #8888AA;
  --clr-text-dim: #44445A;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px;
  --r-sm: 6px; --r-md: 10px; --r-lg: 16px; --r-xl: 24px; --r-full: 9999px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 40px rgba(124,111,255,0.15);
  --shadow-glow-strong: 0 0 60px rgba(124,111,255,0.3);
  --t-fast: 150ms cubic-bezier(0.4,0,0.2,1);
  --t-base: 200ms cubic-bezier(0.4,0,0.2,1);
  --t-slow: 350ms cubic-bezier(0.4,0,0.2,1);
  --sidebar-width: 240px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }
a { color: var(--clr-primary); text-decoration: none; }
a:hover { color: var(--clr-accent); }
ul { list-style: none; }

::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--clr-border-strong); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--clr-text-dim); }

.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr;
  min-height: 100vh;
}
.main-content {
  grid-column: 2;
  padding: var(--sp-8);
  overflow-y: auto;
  min-height: 100vh;
  max-width: 100%;
}

.sidebar {
  grid-column: 1;
  background: var(--clr-surface);
  border-right: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: sticky;
  top: 0;
  overflow-y: auto;
  z-index: 100;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-6);
  border-bottom: 1px solid var(--clr-border);
}
.sidebar-brand {
  font-size: 1.1rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sidebar-nav {
  padding: var(--sp-4) var(--sp-3);
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}
.sidebar-bottom {
  padding: var(--sp-3);
  border-top: 1px solid var(--clr-border);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-md);
  color: var(--clr-text-sub);
  font-size: 0.9rem;
  font-weight: 500;
  width: 100%;
  transition: all var(--t-base);
  position: relative;
  text-align: left;
}
.nav-item:hover { background: var(--clr-card-hover); color: var(--clr-text); }
.nav-item.active { background: var(--clr-primary-subtle); color: var(--clr-primary); }
.nav-item.active svg { stroke: var(--clr-primary); }
.nav-timer-badge {
  width: 8px; height: 8px;
  background: var(--clr-success);
  border-radius: 50%;
  margin-left: auto;
  animation: pulse-glow 2s infinite;
}
.sidebar-user {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3);
  border-radius: var(--r-md);
  background: var(--clr-card);
  margin-bottom: var(--sp-2);
}
.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem; color: white; flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 0.85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.user-email { font-size: 0.7rem; color: var(--clr-text-sub); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.logout-btn { color: var(--clr-text-dim); padding: var(--sp-1); border-radius: var(--r-sm); transition: color var(--t-base); flex-shrink: 0; }
.logout-btn:hover { color: var(--clr-error); }

.mobile-header { display: none; }
.mobile-brand {
  font-weight: 700;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.mobile-menu-btn { color: var(--clr-text); padding: var(--sp-2); }
.mobile-timer-pill {
  display: flex; align-items: center; gap: var(--sp-2);
  background: var(--clr-primary-subtle);
  border: 1px solid var(--clr-primary-glow);
  border-radius: var(--r-full);
  padding: var(--sp-1) var(--sp-3);
  font-size: 0.85rem; font-weight: 600; color: var(--clr-primary);
}
.pill-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--clr-success); animation: pulse-glow 1.5s infinite; }

.view { display: none; }
.view.active { display: block; animation: fadeIn 0.3s ease; }
.view-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--sp-8);
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.view-title { font-size: 1.75rem; font-weight: 700; letter-spacing: -0.02em; }
.view-subtitle { font-size: 0.875rem; color: var(--clr-text-sub); margin-top: 2px; }
.view-header-actions { display: flex; align-items: center; gap: var(--sp-3); flex-wrap: wrap; }

.card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color var(--t-base), box-shadow var(--t-base);
  margin-bottom: var(--sp-6);
}
.card:hover { border-color: var(--clr-border-strong); }
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-5);
  gap: var(--sp-3);
}
.card-title { font-size: 0.9rem; font-weight: 600; color: var(--clr-text); display: flex; align-items: center; gap: var(--sp-2); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-md);
  font-size: 0.875rem;
  font-weight: 600;
  transition: all var(--t-base);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}
.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: white;
  box-shadow: 0 4px 15px var(--clr-primary-glow);
}
.btn-primary:hover { box-shadow: 0 6px 25px var(--clr-primary-glow); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }
.btn-ghost { background: transparent; color: var(--clr-text-sub); border-color: var(--clr-border); }
.btn-ghost:hover { background: var(--clr-card-hover); color: var(--clr-text); border-color: var(--clr-border-strong); }
.btn-danger { background: var(--clr-error-subtle); color: var(--clr-error); border-color: var(--clr-error); }
.btn-danger:hover { background: var(--clr-error); color: white; }
.btn-full { width: 100%; }
.btn-sm { padding: var(--sp-2) var(--sp-3); font-size: 0.8rem; }
.btn-icon {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--r-sm);
  color: var(--clr-text-sub);
  transition: all var(--t-base);
}
.btn-icon:hover { background: var(--clr-card-hover); color: var(--clr-text); }

.form-group { margin-bottom: var(--sp-4); }
.form-label { display: block; font-size: 0.8rem; font-weight: 500; color: var(--clr-text-sub); margin-bottom: var(--sp-2); text-transform: uppercase; letter-spacing: 0.05em; }
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  color: var(--clr-text);
  font-size: 0.9rem;
  transition: border-color var(--t-base), box-shadow var(--t-base);
  outline: none;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-glow);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--clr-text-dim); }
.form-select { appearance: none; cursor: pointer; }
.form-textarea { resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.select-sm { padding: var(--sp-2) var(--sp-3); font-size: 0.8rem; width: auto; }
.form-check { display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-3); }
.form-checkbox { width: 18px; height: 18px; accent-color: var(--clr-primary); cursor: pointer; }
.form-check-label { font-size: 0.875rem; cursor: pointer; }
.input-with-toggle { position: relative; }
.input-with-toggle .form-input { padding-right: 48px; }
.input-toggle-btn { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); color: var(--clr-text-dim); padding: var(--sp-1); transition: color var(--t-base); }
.input-toggle-btn:hover { color: var(--clr-text); }

.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); margin-bottom: var(--sp-6); }
.kpi-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  transition: all var(--t-base);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.kpi-card:hover { border-color: var(--clr-border-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.kpi-icon { width: 44px; height: 44px; border-radius: var(--r-md); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.kpi-icon--primary { background: var(--clr-primary-subtle); color: var(--clr-primary); }
.kpi-icon--accent { background: var(--clr-accent-glow); color: var(--clr-accent); }
.kpi-icon--success { background: var(--clr-success-subtle); color: var(--clr-success); }
.kpi-icon--warning { background: var(--clr-warning-subtle); color: var(--clr-warning); }
.kpi-content { flex: 1; min-width: 0; }
.kpi-value { display: block; font-size: 1.4rem; font-weight: 700; letter-spacing: -0.02em; }
.kpi-label { display: block; font-size: 0.75rem; color: var(--clr-text-sub); margin-top: 2px; }

.dashboard-grid { display: grid; grid-template-columns: 1fr 360px; gap: var(--sp-6); margin-bottom: var(--sp-6); }
.chart-card canvas { max-height: 220px; }
.ai-card .card-title svg { color: var(--clr-warning); }
.ai-insights { min-height: 160px; }
.ai-loading { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--sp-3); color: var(--clr-text-sub); font-size: 0.875rem; padding: var(--sp-8); }
.ai-spinner { width: 32px; height: 32px; border: 3px solid var(--clr-border); border-top-color: var(--clr-primary); border-radius: 50%; animation: spin 0.8s linear infinite; }
.ai-content { font-size: 0.875rem; color: var(--clr-text-sub); line-height: 1.6; }
.ai-insight-item { display: flex; gap: var(--sp-3); align-items: flex-start; padding: var(--sp-3) 0; border-bottom: 1px solid var(--clr-border); }
.ai-insight-item:last-child { border-bottom: none; }
.ai-insight-icon { font-size: 1.2rem; flex-shrink: 0; margin-top: 2px; }
.ai-insight-title { font-weight: 600; color: var(--clr-text); margin-bottom: 2px; font-size: 0.875rem; }
.ai-insight-text { font-size: 0.8rem; color: var(--clr-text-sub); }

.heatmap { display: grid; grid-template-columns: repeat(7, 1fr); gap: var(--sp-2); }
.heatmap-day { display: flex; flex-direction: column; align-items: center; gap: var(--sp-1); }
.heatmap-label { font-size: 0.7rem; color: var(--clr-text-dim); text-transform: uppercase; }
.heatmap-cell { width: 100%; aspect-ratio: 1; border-radius: var(--r-sm); background: var(--clr-border); transition: all var(--t-base); }
.heatmap-cell[data-level="1"] { background: rgba(124,111,255,0.2); }
.heatmap-cell[data-level="2"] { background: rgba(124,111,255,0.4); }
.heatmap-cell[data-level="3"] { background: rgba(124,111,255,0.65); }
.heatmap-cell[data-level="4"] { background: var(--clr-primary); box-shadow: 0 0 8px var(--clr-primary-glow); }
.heatmap-hours { font-size: 0.7rem; color: var(--clr-text-sub); }

.entries-list { display: flex; flex-direction: column; gap: var(--sp-2); }
.entry-item { display: flex; align-items: center; gap: var(--sp-4); padding: var(--sp-3) var(--sp-4); background: var(--clr-surface); border-radius: var(--r-md); border: 1px solid var(--clr-border); transition: border-color var(--t-base); }
.entry-item:hover { border-color: var(--clr-border-strong); }
.entry-project-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.entry-info { flex: 1; min-width: 0; }
.entry-task { font-size: 0.875rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.entry-project { font-size: 0.75rem; color: var(--clr-text-sub); }
.entry-duration { font-size: 0.875rem; font-weight: 600; font-variant-numeric: tabular-nums; color: var(--clr-accent); white-space: nowrap; }
.entry-billable-badge { font-size: 0.7rem; padding: 2px var(--sp-2); background: var(--clr-success-subtle); color: var(--clr-success); border-radius: var(--r-full); }
.entry-actions { display: flex; gap: var(--sp-1); opacity: 0; transition: opacity var(--t-base); }
.entry-item:hover .entry-actions { opacity: 1; }

.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--sp-4); padding: var(--sp-16); color: var(--clr-text-dim); text-align: center; }
.empty-state svg { opacity: 0.3; }
.empty-state p { font-size: 0.875rem; }
.empty-state-sm { padding: var(--sp-6); text-align: center; color: var(--clr-text-dim); font-size: 0.8rem; }

.date-badge { font-size: 0.8rem; color: var(--clr-text-sub); background: var(--clr-card); border: 1px solid var(--clr-border); border-radius: var(--r-full); padding: var(--sp-2) var(--sp-4); }

.kanban-board { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); align-items: start; }
.kanban-column { background: var(--clr-card); border: 1px solid var(--clr-border); border-radius: var(--r-lg); padding: var(--sp-4); min-height: 400px; }
.kanban-col-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-4); }
.kanban-col-title { display: flex; align-items: center; gap: var(--sp-2); font-size: 0.8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--clr-text-sub); }
.kanban-dot { width: 8px; height: 8px; border-radius: 50%; }
.kanban-dot--pending { background: var(--clr-warning); }
.kanban-dot--progress { background: var(--clr-primary); }
.kanban-dot--done { background: var(--clr-success); }
.kanban-count { font-size: 0.75rem; font-weight: 600; background: var(--clr-surface); border-radius: var(--r-full); padding: 2px var(--sp-2); color: var(--clr-text-sub); }
.kanban-cards { display: flex; flex-direction: column; gap: var(--sp-3); }
.task-card { background: var(--clr-surface); border: 1px solid var(--clr-border); border-radius: var(--r-md); padding: var(--sp-4); cursor: pointer; transition: all var(--t-base); }
.task-card:hover { border-color: var(--clr-border-strong); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.task-card-header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--sp-2); margin-bottom: var(--sp-2); }
.task-card-name { font-size: 0.875rem; font-weight: 500; flex: 1; }
.task-priority { font-size: 0.65rem; padding: 2px var(--sp-2); border-radius: var(--r-full); font-weight: 600; flex-shrink: 0; }
.task-priority--high { background: var(--clr-error-subtle); color: var(--clr-error); }
.task-priority--medium { background: var(--clr-warning-subtle); color: var(--clr-warning); }
.task-priority--low { background: var(--clr-success-subtle); color: var(--clr-success); }
.task-card-meta { display: flex; align-items: center; gap: var(--sp-3); font-size: 0.75rem; color: var(--clr-text-dim); }
.task-card-project { display: inline-flex; align-items: center; gap: 4px; font-size: 0.7rem; }
.task-card-dot { width: 6px; height: 6px; border-radius: 50%; }
.task-card-actions { display: flex; gap: var(--sp-1); margin-top: var(--sp-3); opacity: 0; transition: opacity var(--t-base); }
.task-card:hover .task-card-actions { opacity: 1; }

.projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: var(--sp-5); }
.project-card { background: var(--clr-card); border: 1px solid var(--clr-border); border-radius: var(--r-lg); padding: var(--sp-6); transition: all var(--t-base); position: relative; overflow: hidden; }
.project-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px; background: var(--project-color, var(--clr-primary)); }
.project-card:hover { border-color: var(--clr-border-strong); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.project-card-header { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: var(--sp-4); }
.project-name { font-size: 1rem; font-weight: 700; }
.project-client { font-size: 0.8rem; color: var(--clr-text-sub); margin-top: 2px; }
.project-rate { font-size: 0.875rem; font-weight: 600; color: var(--clr-success); background: var(--clr-success-subtle); padding: var(--sp-1) var(--sp-3); border-radius: var(--r-full); }
.project-stats { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-3); margin-top: var(--sp-4); }
.project-stat-val { font-size: 1.1rem; font-weight: 700; }
.project-stat-label { font-size: 0.7rem; color: var(--clr-text-sub); }
.project-actions { display: flex; gap: var(--sp-2); margin-top: var(--sp-5); }

.invoice-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); margin-bottom: var(--sp-6); }
.invoice-stat { background: var(--clr-card); border: 1px solid var(--clr-border); border-radius: var(--r-lg); padding: var(--sp-5); text-align: center; }
.stat-val { display: block; font-size: 1.5rem; font-weight: 700; letter-spacing: -0.02em; }
.stat-label { display: block; font-size: 0.75rem; color: var(--clr-text-sub); margin-top: 4px; }
.invoice-row { display: grid; grid-template-columns: auto 1fr auto auto auto; align-items: center; gap: var(--sp-4); padding: var(--sp-4); border-bottom: 1px solid var(--clr-border); transition: background var(--t-base); font-size: 0.875rem; }
.invoice-row:hover { background: var(--clr-card-hover); }
.invoice-row:last-child { border-bottom: none; }
.invoice-number { font-weight: 700; font-family: var(--font-mono); color: var(--clr-primary); font-size: 0.8rem; }
.invoice-client-name { font-weight: 500; }
.invoice-project-sub { font-size: 0.75rem; color: var(--clr-text-sub); }
.invoice-total { font-weight: 700; }
.invoice-status { font-size: 0.75rem; font-weight: 600; padding: 3px var(--sp-3); border-radius: var(--r-full); }
.inv-status--draft { background: var(--clr-border); color: var(--clr-text-sub); }
.inv-status--sent { background: var(--clr-warning-subtle); color: var(--clr-warning); }
.inv-status--paid { background: var(--clr-success-subtle); color: var(--clr-success); }
.tab-group { display: flex; gap: var(--sp-1); }
.tab-btn { padding: var(--sp-2) var(--sp-4); border-radius: var(--r-md); font-size: 0.8rem; font-weight: 500; color: var(--clr-text-sub); transition: all var(--t-base); }
.tab-btn.active { background: var(--clr-primary-subtle); color: var(--clr-primary); }
.tab-btn:hover:not(.active) { background: var(--clr-card-hover); color: var(--clr-text); }

.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-6); }
.settings-form { display: flex; flex-direction: column; }
.settings-desc { font-size: 0.875rem; color: var(--clr-text-sub); margin-bottom: var(--sp-4); }
.settings-actions { display: flex; gap: var(--sp-3); }

.toast-container { position: fixed; bottom: var(--sp-6); right: var(--sp-6); z-index: 1000; display: flex; flex-direction: column; gap: var(--sp-3); pointer-events: none; }
.toast { display: flex; align-items: center; gap: var(--sp-3); padding: var(--sp-4) var(--sp-5); background: var(--clr-surface); border: 1px solid var(--clr-border-strong); border-radius: var(--r-lg); box-shadow: var(--shadow-lg); font-size: 0.875rem; animation: slideInRight 0.3s ease; max-width: 380px; backdrop-filter: blur(16px); pointer-events: all; }
.toast--success { border-left: 3px solid var(--clr-success); }
.toast--error { border-left: 3px solid var(--clr-error); }
.toast--warning { border-left: 3px solid var(--clr-warning); }
.toast--info { border-left: 3px solid var(--clr-primary); }
.toast-icon { font-size: 1.1rem; }
.toast-message { flex: 1; }
.toast-close { color: var(--clr-text-dim); font-size: 1.1rem; padding: 2px; cursor: pointer; transition: color var(--t-base); }
.toast-close:hover { color: var(--clr-text); }

.offline-banner { position: fixed; top: 0; left: 0; right: 0; background: var(--clr-warning); color: #000; text-align: center; padding: var(--sp-2) var(--sp-4); font-size: 0.8rem; font-weight: 600; z-index: 999; display: flex; align-items: center; justify-content: center; gap: var(--sp-2); }

.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); z-index: 500; display: flex; align-items: center; justify-content: center; padding: var(--sp-4); animation: fadeIn 0.2s ease; }
.modal { background: var(--clr-surface); border: 1px solid var(--clr-border-strong); border-radius: var(--r-xl); width: 100%; max-width: 520px; max-height: 90vh; overflow-y: auto; animation: fadeIn 0.2s ease; box-shadow: var(--shadow-lg), var(--shadow-glow); }
.modal-lg { max-width: 680px; }
.modal-sm { max-width: 400px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-6); border-bottom: 1px solid var(--clr-border); }
.modal-title { font-size: 1.1rem; font-weight: 700; }
.modal-close { color: var(--clr-text-dim); padding: var(--sp-1); border-radius: var(--r-sm); transition: all var(--t-base); }
.modal-close:hover { background: var(--clr-card-hover); color: var(--clr-text); }
.modal-body { padding: var(--sp-6); }
.modal-footer { display: flex; justify-content: flex-end; gap: var(--sp-3); padding: var(--sp-5) var(--sp-6); border-top: 1px solid var(--clr-border); }

.color-picker { display: flex; gap: var(--sp-2); flex-wrap: wrap; margin-bottom: var(--sp-2); }
.color-swatch { width: 28px; height: 28px; border-radius: 50%; cursor: pointer; border: 2px solid transparent; transition: all var(--t-base); }
.color-swatch.selected, .color-swatch:hover { border-color: white; transform: scale(1.2); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes pulse-glow { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

@media (max-width: 1200px) {
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .kanban-board { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .app-layout { grid-template-columns: 1fr; grid-template-rows: auto 1fr; }
  .sidebar { position: fixed; left: -100%; top: 0; bottom: 0; z-index: 200; width: var(--sidebar-width); transition: left var(--t-base); }
  .sidebar.open { left: 0; }
  .mobile-header { display: flex; align-items: center; justify-content: space-between; padding: var(--sp-4); background: var(--clr-surface); border-bottom: 1px solid var(--clr-border); position: sticky; top: 0; z-index: 100; grid-column: 1; }
  .main-content { grid-column: 1; grid-row: 2; padding: var(--sp-4); }
  .invoice-stats { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .kpi-grid { grid-template-columns: 1fr; }
  .projects-grid { grid-template-columns: 1fr; }
}