/* ============================================================
   TaskMaster - Master Stylesheet
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@600;700;800&family=DM+Sans:wght@300;400;500;600;700&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --primary:       #667eea;
  --primary-dark:  #5568d3;
  --secondary:     #764ba2;
  --accent:        #f093fb;
  --grad:          linear-gradient(135deg,#667eea,#764ba2);

  --bg:            #f4f6ff;
  --surface:       #ffffff;
  --surface2:      #f0f3ff;
  --border:        #e2e8f0;

  --text:          #1a202c;
  --text2:         #4a5568;
  --muted:         #a0aec0;

  --success:       #38a169;
  --warning:       #d97706;
  --danger:        #e53e3e;
  --info:          #3182ce;

  --shadow-sm:  0 1px 4px rgba(102,126,234,.08);
  --shadow-md:  0 4px 16px rgba(102,126,234,.14);
  --shadow-lg:  0 8px 32px rgba(102,126,234,.18);
  --radius:     14px;
  --sidebar-w:  270px;
  --transition: .25s ease;
}

/* Dark mode */
[data-theme="dark"] {
  --primary:      #818cf8;
  --primary-dark: #6366f1;
  --grad:         linear-gradient(135deg,#818cf8,#a855f7);

  --bg:       #0e0e1a;
  --surface:  #181828;
  --surface2: #1e1e32;
  --border:   #2d3748;

  --text:  #f0f4ff;
  --text2: #cbd5e1;
  --muted: #64748b;

  --shadow-sm: 0 1px 4px rgba(0,0,0,.3);
  --shadow-md: 0 4px 16px rgba(0,0,0,.4);
  --shadow-lg: 0 8px 32px rgba(0,0,0,.5);
}

/* RTL adjustments */
[dir="rtl"] .sidebar            { left:auto; right:0; border-left:none; border-right:1px solid var(--border); }
[dir="rtl"] .main-content       { margin-left:0; margin-right:var(--sidebar-w); }
[dir="rtl"] .nav-link::before   { left:auto; right:0; }
[dir="rtl"] .task-item:hover    { transform:translateX(-4px); }
[dir="rtl"] th                  { text-align:right; }

/* ── Reset ─────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { font-size:16px; }
body {
  font-family:'DM Sans',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  transition:background var(--transition), color var(--transition);
  overflow-x:hidden;
}
a { color:inherit; text-decoration:none; }
img { max-width:100%; }
button { cursor:pointer; font-family:inherit; }

/* ── Sidebar ────────────────────────────────────────────────── */
.sidebar {
  position:fixed; top:0; left:0;
  width:var(--sidebar-w); height:100vh;
  background:var(--surface);
  border-right:1px solid var(--border);
  box-shadow:var(--shadow-lg);
  display:flex; flex-direction:column;
  z-index:900;
  transition:transform var(--transition), background var(--transition);
  overflow-y:auto;
}

.sidebar-top {
  background:var(--grad);
  padding:1.75rem 1.5rem 1.5rem;
  flex-shrink:0;
}

.logo-row {
  display:flex; align-items:center; gap:.875rem; margin-bottom:1.25rem;
}

.logo-img {
  width:46px; height:46px; border-radius:12px; object-fit:cover;
  box-shadow:0 4px 12px rgba(0,0,0,.25);
}

.logo-name {
  font-family:'Orbitron',sans-serif;
  font-size:1.25rem; font-weight:800;
  color:#fff; letter-spacing:1.5px;
}

.user-badge {
  background:rgba(255,255,255,.15);
  border-radius:10px; padding:.75rem 1rem;
}
.user-badge .name  { color:#fff; font-weight:600; font-size:.9375rem; }
.user-badge .role  {
  display:inline-block; margin-top:.25rem;
  font-size:.75rem; padding:.2rem .6rem; border-radius:20px;
  background:rgba(255,255,255,.25); color:#fff;
  font-weight:500; text-transform:uppercase; letter-spacing:.5px;
}

/* Nav */
.nav { padding:1rem 0; flex:1; }
.nav-link {
  display:flex; align-items:center; gap:.875rem;
  padding:.875rem 1.5rem;
  color:var(--text2); font-weight:500; font-size:.9375rem;
  border-left:3px solid transparent;
  transition:all .2s;
  position:relative;
}
.nav-link .icon { font-size:1.2rem; width:22px; text-align:center; }
.nav-link:hover, .nav-link.active {
  color:var(--primary);
  background:var(--surface2);
  border-left-color:var(--primary);
}

/* ── Top bar ────────────────────────────────────────────────── */
.topbar {
  display:flex; justify-content:space-between; align-items:center;
  flex-wrap:wrap; gap:1rem;
  background:var(--surface); border-radius:var(--radius);
  padding:1.25rem 1.5rem; margin-bottom:1.75rem;
  box-shadow:var(--shadow-md);
}
.page-title {
  font-family:'Orbitron',sans-serif; font-size:1.5rem; font-weight:700;
  background:var(--grad); -webkit-background-clip:text;
  -webkit-text-fill-color:transparent; background-clip:text;
  white-space:nowrap;
}
.topbar-actions { display:flex; align-items:center; gap:.625rem; flex-wrap:wrap; }

/* ── Main content ───────────────────────────────────────────── */
.main-content {
  margin-left:var(--sidebar-w);
  min-height:100vh;
  padding:2rem;
  transition:margin var(--transition);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:.4rem;
  padding:.7rem 1.4rem; border:none; border-radius:10px;
  font-family:inherit; font-size:.9rem; font-weight:600;
  transition:all .2s; white-space:nowrap;
}
.btn:hover { transform:translateY(-2px); box-shadow:var(--shadow-md); }
.btn-primary   { background:var(--grad); color:#fff; }
.btn-secondary { background:var(--surface2); color:var(--text2); border:1px solid var(--border); }
.btn-secondary:hover { background:var(--surface); }
.btn-success   { background:var(--success); color:#fff; }
.btn-danger    { background:var(--danger);  color:#fff; }
.btn-warning   { background:var(--warning); color:#fff; }
.btn-sm        { padding:.4rem .85rem; font-size:.8125rem; }
.btn-icon      { padding:.5rem .7rem; }
.btn-toggle {
  background:var(--surface2); border:1px solid var(--border);
  color:var(--text); padding:.6rem 1rem; border-radius:10px;
  font-size:.875rem; font-weight:600;
  display:flex; align-items:center; gap:.4rem;
  transition:all .2s;
}
.btn-toggle:hover { background:var(--grad); color:#fff; border-color:transparent; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); padding:1.5rem;
  box-shadow:var(--shadow-md);
  transition:box-shadow var(--transition);
}
.card:hover { box-shadow:var(--shadow-lg); }
.card-header {
  display:flex; justify-content:space-between; align-items:center;
  margin-bottom:1.25rem; padding-bottom:1rem;
  border-bottom:2px solid var(--border);
}
.card-title { font-size:1.1rem; font-weight:700; }

/* ── Stats grid ─────────────────────────────────────────────── */
.stats-grid {
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(200px,1fr));
  gap:1.25rem; margin-bottom:1.75rem;
}
.stat-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); padding:1.25rem;
  box-shadow:var(--shadow-sm);
  border-left:4px solid var(--primary);
  transition:all .3s;
}
.stat-card:hover { transform:translateY(-4px); box-shadow:var(--shadow-lg); }
.stat-num {
  font-family:'Orbitron',sans-serif; font-size:2rem; font-weight:800;
  background:var(--grad); -webkit-background-clip:text;
  -webkit-text-fill-color:transparent; background-clip:text;
}
.stat-lbl { color:var(--muted); font-size:.8rem; text-transform:uppercase; letter-spacing:.8px; margin-top:.3rem; }

/* ── Forms ──────────────────────────────────────────────────── */
.form-group   { margin-bottom:1.25rem; }
.form-label   { display:block; margin-bottom:.375rem; font-weight:600; font-size:.8125rem; color:var(--text2); text-transform:uppercase; letter-spacing:.4px; }
.form-control, .form-select, textarea {
  width:100%; padding:.75rem 1rem;
  border:2px solid var(--border); border-radius:10px;
  font-family:inherit; font-size:.9375rem;
  background:var(--surface2); color:var(--text);
  transition:border-color .2s, box-shadow .2s;
  appearance:none;
}
.form-control:focus, .form-select:focus, textarea:focus {
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(102,126,234,.15);
  background:var(--surface);
}
textarea { resize:vertical; min-height:110px; }

/* ── Grid layouts ───────────────────────────────────────────── */
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:1.25rem; }
.grid-3 { display:grid; grid-template-columns:repeat(3,1fr); gap:1.25rem; }
.mb-2   { margin-bottom:1.25rem; }

/* ── Table ──────────────────────────────────────────────────── */
.table-wrap { overflow-x:auto; border-radius:var(--radius); border:1px solid var(--border); }
table { width:100%; border-collapse:collapse; background:var(--surface); }
thead { background:var(--surface2); }
th {
  padding:.875rem 1rem; text-align:left;
  font-size:.8rem; font-weight:700;
  text-transform:uppercase; letter-spacing:.5px;
  color:var(--text2); border-bottom:2px solid var(--border);
  white-space:nowrap;
}
td { padding:.875rem 1rem; border-bottom:1px solid var(--border); color:var(--text2); font-size:.9rem; }
tr:last-child td { border-bottom:none; }
tr:hover td { background:var(--surface2); }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display:inline-flex; align-items:center; gap:.3rem;
  padding:.25rem .7rem; border-radius:20px;
  font-size:.75rem; font-weight:700; text-transform:uppercase; letter-spacing:.3px;
  white-space:nowrap;
}
.badge-low      { background:rgba(56,161,105,.15); color:#276749; }
.badge-medium   { background:rgba(49,130,206,.15); color:#2b6cb0; }
.badge-high     { background:rgba(217,137,6,.15);  color:#92400e; }
.badge-urgent   { background:rgba(229,62,62,.15);  color:#9b1c1c; animation:pulse-urgent 2s ease-in-out infinite; }
.badge-pending  { background:rgba(160,174,192,.15); color:#4a5568; }
.badge-in_progress { background:rgba(49,130,206,.15); color:#2b6cb0; }
.badge-completed   { background:rgba(56,161,105,.15); color:#276749; }
.badge-cancelled   { background:rgba(229,62,62,.15);  color:#9b1c1c; }
.badge-super_admin { background:rgba(229,62,62,.15);  color:#9b1c1c; }
.badge-admin       { background:rgba(217,137,6,.15);  color:#92400e; }
.badge-user        { background:rgba(49,130,206,.15); color:#2b6cb0; }

@keyframes pulse-urgent {
  0%,100% { box-shadow:0 0 0 0 rgba(229,62,62,.4); }
  50%      { box-shadow:0 0 0 6px rgba(229,62,62,0); }
}

/* ── Task card ──────────────────────────────────────────────── */
.task-list    { display:flex; flex-direction:column; gap:.875rem; }
.task-card    { background:var(--surface); border:2px solid var(--border); border-radius:var(--radius); padding:1.25rem; transition:all .2s; }
.task-card:hover { border-color:var(--primary); transform:translateX(4px); box-shadow:var(--shadow-md); }
.task-head    { display:flex; justify-content:space-between; align-items:flex-start; gap:.5rem; margin-bottom:.5rem; flex-wrap:wrap; }
.task-title   { font-size:1rem; font-weight:700; color:var(--text); }
.task-desc    { color:var(--text2); font-size:.875rem; margin:.4rem 0 .75rem; line-height:1.6; }
.task-meta    { display:flex; gap:1rem; flex-wrap:wrap; font-size:.8125rem; color:var(--muted); margin-bottom:.75rem; }
.task-footer  { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:.5rem; }

/* ── Notes ──────────────────────────────────────────────────── */
.notes-list  { display:flex; flex-direction:column; gap:.75rem; }
.note-item   { background:var(--surface2); border-left:3px solid var(--primary); border-radius:0 10px 10px 0; padding:.875rem 1rem; }
.note-meta   { display:flex; justify-content:space-between; font-size:.75rem; color:var(--muted); margin-bottom:.375rem; }
.note-body   { color:var(--text2); font-size:.875rem; line-height:1.6; }

/* ── Alerts ─────────────────────────────────────────────────── */
.alert       { display:flex; align-items:center; gap:.75rem; padding:.875rem 1.25rem; border-radius:10px; margin-bottom:1.25rem; font-size:.9rem; animation:slideDown .3s; }
.alert-success { background:rgba(56,161,105,.12); color:#276749; border:1px solid rgba(56,161,105,.3); }
.alert-error   { background:rgba(229,62,62,.12);  color:#9b1c1c; border:1px solid rgba(229,62,62,.3); }
.alert-info    { background:rgba(49,130,206,.12); color:#2b6cb0; border:1px solid rgba(49,130,206,.3); }
@keyframes slideDown { from { opacity:0; transform:translateY(-10px); } to { opacity:1; transform:translateY(0); } }

/* ── Modal ──────────────────────────────────────────────────── */
.modal {
  display:none; position:fixed; inset:0;
  background:rgba(0,0,0,.6); backdrop-filter:blur(6px);
  z-index:1000; align-items:center; justify-content:center; padding:1rem;
}
.modal.open { display:flex; }
.modal-box {
  background:var(--surface); border-radius:20px;
  padding:2rem; width:100%; max-width:560px;
  max-height:90vh; overflow-y:auto;
  box-shadow:var(--shadow-lg); animation:popIn .25s;
}
.modal-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:1.5rem; }
.modal-title  { font-size:1.25rem; font-weight:700; }
.modal-close  { background:none; border:none; font-size:1.4rem; color:var(--muted); padding:.25rem; transition:.2s; }
.modal-close:hover { color:var(--danger); transform:rotate(90deg); }
@keyframes popIn { from { opacity:0; transform:scale(.93) translateY(20px); } to { opacity:1; transform:scale(1) translateY(0); } }

/* ── Login ──────────────────────────────────────────────────── */
.login-wrap { min-height:100vh; display:flex; align-items:center; justify-content:center; padding:1.5rem; }
.login-card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:24px; padding:2.5rem; width:100%; max-width:420px;
  box-shadow:var(--shadow-lg);
}
.login-logo-wrap { text-align:center; margin-bottom:1.75rem; }
.login-logo { width:70px; height:70px; border-radius:16px; object-fit:cover; box-shadow:var(--shadow-md); }
.login-title { font-family:'Orbitron',sans-serif; font-size:1.6rem; margin-top:.75rem; background:var(--grad); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.login-sub   { color:var(--muted); font-size:.9rem; }
.toggle-row  { display:flex; gap:.75rem; justify-content:center; margin-top:1.25rem; }

/* ── Misc helpers ───────────────────────────────────────────── */
.flex        { display:flex; }
.flex-center { display:flex; align-items:center; }
.gap-1       { gap:.5rem; }
.gap-2       { gap:.75rem; }
.mt-1        { margin-top:.75rem; }
.mt-2        { margin-top:1.25rem; }
.mb-0        { margin-bottom:0; }
.w-full      { width:100%; }
.text-center { text-align:center; }
.text-muted  { color:var(--muted); font-size:.875rem; }
.empty-state { text-align:center; padding:3rem 1rem; color:var(--muted); }
.empty-icon  { font-size:3rem; margin-bottom:.75rem; opacity:.5; }
.hamburger   { display:none; background:none; border:none; font-size:1.5rem; color:var(--text); padding:.25rem; }
.overlay     { display:none; position:fixed; inset:0; background:rgba(0,0,0,.4); z-index:850; }
.overlay.open { display:block; }

/* ── Animated bg blob ───────────────────────────────────────── */
.bg-blob { position:fixed; z-index:-1; border-radius:50%; filter:blur(80px); opacity:.25; pointer-events:none; animation:blob 18s ease-in-out infinite; }
.bg-blob-1 { width:500px; height:500px; background:var(--primary); top:-150px; left:-150px; }
.bg-blob-2 { width:400px; height:400px; background:var(--secondary); bottom:-120px; right:-120px; animation-delay:9s; }
@keyframes blob { 0%,100% { transform:scale(1) translate(0,0); } 50% { transform:scale(1.1) translate(40px,-40px); } }

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width:900px) {
  .grid-3 { grid-template-columns:1fr 1fr; }
}
@media (max-width:768px) {
  .sidebar { transform:translateX(-100%); }
  [dir="rtl"] .sidebar { transform:translateX(100%); }
  .sidebar.open { transform:translateX(0); }
  .main-content { margin-left:0 !important; margin-right:0 !important; padding:1rem; }
  .hamburger { display:block; }
  .grid-2, .grid-3 { grid-template-columns:1fr; }
  .stats-grid { grid-template-columns:1fr 1fr; }
  .topbar { padding:1rem; }
  .page-title { font-size:1.2rem; }
  .task-footer { flex-direction:column; align-items:flex-start; }
}
@media (max-width:480px) {
  .stats-grid { grid-template-columns:1fr; }
  .login-card { padding:1.5rem; }
  .modal-box  { padding:1.25rem; }
}
/* Smartwatch */
@media (max-width:280px) {
  :root { --radius:8px; }
  .main-content { padding:.5rem; }
  .card { padding:.75rem; }
  .topbar { padding:.75rem; flex-direction:column; align-items:flex-start; }
  .page-title { font-size:1rem; }
  .btn { padding:.5rem .75rem; font-size:.8rem; }
  .stat-num { font-size:1.4rem; }
  th, td { padding:.5rem .625rem; font-size:.75rem; }
  .task-card { padding:.75rem; }
  .task-title { font-size:.9rem; }
  .badge { font-size:.65rem; padding:.15rem .5rem; }
}