/* ========================================
   TaskFlow — Premium Task Manager Styles
   Complete with Admin, Sharing, Notifications
   ======================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --bg-primary: #0a0a1a;
  --bg-secondary: rgba(255, 255, 255, 0.04);
  --bg-card: rgba(255, 255, 255, 0.06);
  --bg-card-hover: rgba(255, 255, 255, 0.1);
  --bg-input: rgba(255, 255, 255, 0.07);
  --bg-input-focus: rgba(255, 255, 255, 0.12);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(108, 99, 255, 0.5);
  --text-primary: #f0f0f5;
  --text-secondary: #9a9ab0;
  --text-muted: #5a5a70;
  --accent: #6C63FF;
  --accent-hover: #7c74ff;
  --accent-glow: rgba(108, 99, 255, 0.3);
  --danger: #ff4d6a;
  --danger-hover: #ff6b83;
  --success: #00d68f;
  --warning: #ffaa00;
  --priority-high: #ff4d6a;
  --priority-medium: #ffaa00;
  --priority-low: #00d68f;
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition-fast: 0.15s ease;
  --transition-base: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

[data-theme="light"] {
  --bg-primary: #f0f2f5;
  --bg-secondary: rgba(0, 0, 0, 0.02);
  --bg-card: rgba(255, 255, 255, 0.7);
  --bg-card-hover: rgba(255, 255, 255, 0.9);
  --bg-input: rgba(0, 0, 0, 0.04);
  --bg-input-focus: rgba(0, 0, 0, 0.06);
  --border-color: rgba(0, 0, 0, 0.08);
  --border-focus: rgba(108, 99, 255, 0.4);
  --text-primary: #1a1a2e;
  --text-secondary: #6b6b80;
  --text-muted: #9a9ab0;
  --glass-bg: rgba(255, 255, 255, 0.6);
  --glass-border: rgba(0, 0, 0, 0.08);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.1);
}

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition-slow), color var(--transition-slow);
  -webkit-font-smoothing: antialiased;
}

/* ---------- Background Blobs ---------- */
.bg-blobs { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; }
.blob { position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.35; animation: blobFloat 20s ease-in-out infinite; }
[data-theme="light"] .blob { opacity: 0.2; }
.blob-1 { width: 400px; height: 400px; background: linear-gradient(135deg, #6C63FF, #E040FB); top: -100px; left: -100px; }
.blob-2 { width: 350px; height: 350px; background: linear-gradient(135deg, #00d68f, #00b4d8); bottom: -80px; right: -80px; animation-delay: -7s; }
.blob-3 { width: 300px; height: 300px; background: linear-gradient(135deg, #ff4d6a, #ffaa00); top: 50%; left: 60%; animation-delay: -14s; }

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(60px, -40px) scale(1.1); }
  50% { transform: translate(-30px, 60px) scale(0.95); }
  75% { transform: translate(40px, 30px) scale(1.05); }
}

/* ---------- App Container ---------- */
.app-container { position: relative; z-index: 1; max-width: 780px; margin: 0 auto; padding: 24px 20px 40px; min-height: 100vh; }

/* ---------- Admin Setup Modal ---------- */
.modal-overlay {
  position: fixed; inset: 0; z-index: 9999;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
  animation: fadeIn 0.3s ease;
}

.modal-card {
  background: var(--glass-bg);
  backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
  max-width: 420px; width: calc(100% - 32px);
  text-align: center;
  box-shadow: var(--shadow-lg);
  animation: scaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-icon { margin-bottom: 20px; }
.modal-icon svg { width: 56px; height: 56px; }
.modal-card h2 { font-size: 1.4rem; font-weight: 800; margin-bottom: 8px; }
.modal-card p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 24px; }

.modal-input {
  width: 100%; padding: 14px 18px;
  border: 1px solid var(--border-color); border-radius: var(--radius-md);
  background: var(--bg-input); color: var(--text-primary);
  font-family: var(--font); font-size: 1rem; font-weight: 500;
  outline: none; text-align: center; margin-bottom: 16px;
  transition: all var(--transition-fast);
}

.modal-input:focus { border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--accent-glow); }
.modal-input::placeholder { color: var(--text-muted); }

.modal-submit-btn {
  width: 100%; padding: 14px; border: none; border-radius: var(--radius-md);
  background: linear-gradient(135deg, #6C63FF, #E040FB); color: #fff;
  font-family: var(--font); font-size: 1rem; font-weight: 700;
  cursor: pointer; transition: all var(--transition-fast);
}

.modal-submit-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { opacity: 0; transform: scale(0.9); } to { opacity: 1; transform: scale(1); } }

/* ---------- Recipient Banner ---------- */
.recipient-banner {
  position: sticky; top: 0; z-index: 100;
  background: linear-gradient(135deg, #6C63FF, #E040FB);
  padding: 14px 20px;
}

.recipient-banner-inner { max-width: 780px; margin: 0 auto; display: flex; align-items: center; gap: 12px; }
.recipient-icon { font-size: 1.5rem; }
.recipient-info { display: flex; flex-direction: column; gap: 2px; }
.recipient-info strong { color: #fff; font-size: 0.95rem; }
.recipient-info span { color: rgba(255,255,255,0.8); font-size: 0.75rem; }

/* ---------- Header ---------- */
.app-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; margin-bottom: 24px; }
.header-left { display: flex; align-items: center; gap: 12px; }
.logo svg { display: block; }

.title-group { display: flex; flex-direction: column; gap: 2px; }

.app-title {
  font-size: 1.5rem; font-weight: 800; letter-spacing: -0.5px;
  background: linear-gradient(135deg, #6C63FF, #E040FB);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}

.admin-badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.7rem; font-weight: 600; color: var(--accent);
  background: var(--accent-glow); padding: 2px 8px;
  border-radius: 100px; width: fit-content;
}

.header-right { display: flex; align-items: center; gap: 8px; }

/* ---------- Icon Buttons ---------- */
.icon-btn {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border: 1px solid var(--border-color); border-radius: var(--radius-md);
  background: var(--glass-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  color: var(--text-secondary); cursor: pointer; transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: var(--bg-card-hover); color: var(--text-primary);
  border-color: var(--border-focus); transform: translateY(-1px); box-shadow: var(--shadow-sm);
}

/* ---------- Theme Toggle ---------- */
.theme-toggle-btn .icon-sun { display: none; }
.theme-toggle-btn .icon-moon { display: block; }
[data-theme="light"] .theme-toggle-btn .icon-sun { display: block; }
[data-theme="light"] .theme-toggle-btn .icon-moon { display: none; }

/* ---------- Search ---------- */
.search-wrapper { display: flex; align-items: center; position: relative; }

.search-input {
  width: 0; padding: 0; border: none; background: transparent;
  color: var(--text-primary); font-family: var(--font); font-size: 0.875rem;
  outline: none; transition: all var(--transition-base); opacity: 0;
}

.search-wrapper.expanded .search-input {
  width: 200px; padding: 8px 12px;
  border: 1px solid var(--border-color); border-radius: var(--radius-md);
  background: var(--bg-input); opacity: 1; margin-right: 8px;
}

.search-wrapper.expanded .search-input:focus { border-color: var(--border-focus); background: var(--bg-input-focus); box-shadow: 0 0 0 3px var(--accent-glow); }
.search-input::placeholder { color: var(--text-muted); }

/* ---------- Stats Dashboard ---------- */
.stats-dashboard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 20px; }

.stat-card {
  display: flex; align-items: center; gap: 12px; padding: 18px 16px;
  background: var(--glass-bg); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm); transition: all var(--transition-base);
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); background: var(--bg-card-hover); }

.stat-icon {
  display: flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--radius-md); flex-shrink: 0;
}

.stat-icon-total { background: rgba(108, 99, 255, 0.15); color: #6C63FF; }
.stat-icon-completed { background: rgba(0, 214, 143, 0.15); color: #00d68f; }
.stat-icon-percent { background: rgba(224, 64, 251, 0.15); color: #E040FB; }

.stat-info { display: flex; flex-direction: column; }
.stat-value { font-size: 1.4rem; font-weight: 700; letter-spacing: -0.5px; line-height: 1.2; }
.stat-label { font-size: 0.75rem; font-weight: 500; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

/* ---------- Progress Bar ---------- */
.progress-wrapper { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.progress-bar { flex: 1; height: 8px; background: var(--bg-input); border-radius: 100px; overflow: hidden; }

.progress-fill {
  height: 100%; border-radius: 100px;
  background: linear-gradient(90deg, #6C63FF, #E040FB);
  transition: width var(--transition-slow); position: relative;
}

.progress-fill::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  animation: shimmer 2s ease-in-out infinite;
}

@keyframes shimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }
.progress-text { font-size: 0.75rem; font-weight: 600; color: var(--text-muted); white-space: nowrap; min-width: 90px; text-align: right; }

/* ---------- Tab Navigation ---------- */
.tab-nav {
  display: flex; gap: 4px; padding: 4px;
  background: var(--glass-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border); border-radius: var(--radius-lg); margin-bottom: 20px;
}

.tab-btn {
  flex: 1; display: flex; align-items: center; justify-content: center; gap: 6px;
  padding: 12px 12px; border: none; border-radius: var(--radius-md);
  background: transparent; color: var(--text-secondary);
  font-family: var(--font); font-size: 0.82rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition-base);
}

.tab-btn:hover { color: var(--text-primary); background: var(--bg-card); }
.tab-btn.active { background: var(--accent); color: #fff; box-shadow: 0 2px 12px var(--accent-glow); }

/* ---------- Task Section ---------- */
.task-section { display: none; animation: fadeSlideIn 0.3s ease; }
.task-section.active { display: block; }

@keyframes fadeSlideIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.section-title { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.3px; }

/* ---------- Reset Button ---------- */
.reset-btn {
  display: flex; align-items: center; gap: 6px; padding: 8px 14px;
  border: 1px solid var(--border-color); border-radius: var(--radius-md);
  background: var(--glass-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  color: var(--text-secondary); font-family: var(--font); font-size: 0.8rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition-fast);
}

.reset-btn:hover { background: rgba(255, 77, 106, 0.1); border-color: var(--danger); color: var(--danger); transform: translateY(-1px); }

/* ---------- Add Task Form ---------- */
.add-task-form {
  display: flex; align-items: center; gap: 8px; padding: 6px;
  background: var(--glass-bg); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  margin-bottom: 16px; transition: all var(--transition-base);
}

.add-task-form:focus-within { border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--accent-glow); }

.task-input {
  flex: 1; padding: 12px 14px; border: none; background: transparent;
  color: var(--text-primary); font-family: var(--font); font-size: 0.9rem; outline: none; min-width: 0;
}

.task-input::placeholder { color: var(--text-muted); }

.date-input {
  padding: 8px 10px; border: 1px solid var(--border-color); border-radius: var(--radius-sm);
  background: var(--bg-input); color: var(--text-secondary);
  font-family: var(--font); font-size: 0.8rem; outline: none; cursor: pointer;
  transition: all var(--transition-fast); max-width: 140px;
}

.date-input:focus { border-color: var(--border-focus); background: var(--bg-input-focus); }

/* ---------- Priority Selector ---------- */
.priority-selector { display: flex; align-items: center; gap: 4px; padding: 4px; }

.priority-dot {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid transparent; cursor: pointer;
  transition: all var(--transition-fast); position: relative;
}

.priority-dot.high { background: var(--priority-high); }
.priority-dot.medium { background: var(--priority-medium); }
.priority-dot.low { background: var(--priority-low); }
.priority-dot:hover { transform: scale(1.2); }
.priority-dot.active { border-color: var(--text-primary); transform: scale(1.25); box-shadow: 0 0 8px rgba(0,0,0,0.2); }

/* ---------- Add Button ---------- */
.add-btn {
  display: flex; align-items: center; gap: 6px; padding: 10px 18px;
  border: none; border-radius: var(--radius-md);
  background: linear-gradient(135deg, #6C63FF, #7c74ff); color: #fff;
  font-family: var(--font); font-size: 0.85rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition-fast); white-space: nowrap;
}

.add-btn:hover { background: linear-gradient(135deg, #7c74ff, #8b84ff); transform: translateY(-1px); box-shadow: 0 4px 16px var(--accent-glow); }
.add-btn:active { transform: translateY(0); }
.add-btn.small { padding: 8px 14px; font-size: 0.8rem; }

/* ---------- Task List ---------- */
.task-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }

/* ---------- Task Item ---------- */
.task-item {
  display: flex; align-items: center; gap: 12px; padding: 14px 16px;
  background: var(--glass-bg); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  transition: all var(--transition-base); animation: taskSlideIn 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative; overflow: hidden;
}

.task-item::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; border-radius: 0 3px 3px 0; transition: background var(--transition-fast);
}

.task-item[data-priority="high"]::before { background: var(--priority-high); }
.task-item[data-priority="medium"]::before { background: var(--priority-medium); }
.task-item[data-priority="low"]::before { background: var(--priority-low); }

.task-item:hover { background: var(--bg-card-hover); border-color: rgba(108, 99, 255, 0.2); transform: translateX(4px); box-shadow: var(--shadow-sm); }
.task-item.completed { opacity: 0.5; }
.task-item.completed:hover { opacity: 0.7; }
.task-item.removing { animation: taskRemove 0.35s cubic-bezier(0.4, 0, 0.2, 1) forwards; }
.task-item.completing { animation: taskComplete 0.4s ease; }

@keyframes taskSlideIn { from { opacity: 0; transform: translateY(-10px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }
@keyframes taskRemove { to { opacity: 0; transform: translateX(60px) scale(0.95); height: 0; padding: 0; margin: 0; border: none; } }
@keyframes taskComplete { 0% { transform: scale(1); } 30% { transform: scale(1.02); } 60% { transform: scale(0.98); } 100% { transform: scale(1); } }

/* ---------- Checkbox ---------- */
.task-checkbox {
  display: flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; border: 2px solid var(--text-muted); border-radius: 50%;
  cursor: pointer; flex-shrink: 0; transition: all var(--transition-fast); position: relative;
}

.task-checkbox:hover { border-color: var(--accent); background: var(--accent-glow); }
.task-checkbox.checked { border-color: var(--success); background: var(--success); animation: checkPop 0.3s ease; }
.task-checkbox.checked::after { content: ''; width: 6px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg) translate(-1px, -1px); }

@keyframes checkPop { 0% { transform: scale(1); } 50% { transform: scale(1.3); } 100% { transform: scale(1); } }

/* ---------- Task Content ---------- */
.task-content { flex: 1; display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.task-text { font-size: 0.9rem; font-weight: 500; line-height: 1.4; word-break: break-word; transition: all var(--transition-fast); }
.task-item.completed .task-text { text-decoration: line-through; color: var(--text-muted); }

.task-due-date { font-size: 0.7rem; font-weight: 500; color: var(--text-muted); display: flex; align-items: center; gap: 4px; }
.task-due-date.overdue { color: var(--danger); }

/* ---------- Edit Input ---------- */
.task-edit-input {
  flex: 1; padding: 6px 10px;
  border: 1px solid var(--border-focus); border-radius: var(--radius-sm);
  background: var(--bg-input-focus); color: var(--text-primary);
  font-family: var(--font); font-size: 0.9rem; font-weight: 500;
  outline: none; box-shadow: 0 0 0 3px var(--accent-glow);
}

/* ---------- Task Actions ---------- */
.task-actions { display: flex; align-items: center; gap: 4px; opacity: 0; transition: opacity var(--transition-fast); }
.task-item:hover .task-actions { opacity: 1; }

.task-action-btn {
  display: flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border: none; border-radius: var(--radius-sm);
  background: transparent; color: var(--text-muted); cursor: pointer; font-size: 0.85rem;
  transition: all var(--transition-fast);
}

.task-action-btn:hover { background: var(--bg-card); }
.task-action-btn.edit-btn:hover { color: var(--accent); }
.task-action-btn.delete-btn:hover { color: var(--danger); background: rgba(255, 77, 106, 0.1); }

/* ---------- Priority Indicator ---------- */
.priority-indicator { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.priority-indicator.high { background: var(--priority-high); box-shadow: 0 0 6px rgba(255, 77, 106, 0.4); }
.priority-indicator.medium { background: var(--priority-medium); box-shadow: 0 0 6px rgba(255, 170, 0, 0.4); }
.priority-indicator.low { background: var(--priority-low); box-shadow: 0 0 6px rgba(0, 214, 143, 0.4); }

/* ---------- Empty State ---------- */
.empty-state { display: none; flex-direction: column; align-items: center; justify-content: center; gap: 12px; padding: 48px 24px; color: var(--text-muted); text-align: center; }
.empty-state.visible { display: flex; animation: fadeSlideIn 0.4s ease; }
.empty-state p { font-size: 0.9rem; font-weight: 500; }

/* ---------- Assign Tasks Panel ---------- */
.glass-card {
  background: var(--glass-bg); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  padding: 24px; box-shadow: var(--shadow-sm);
}

.assign-panel { display: flex; flex-direction: column; gap: 24px; }

.assign-step { display: flex; gap: 14px; align-items: flex-start; }

.step-number {
  width: 32px; height: 32px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%; background: linear-gradient(135deg, #6C63FF, #E040FB);
  color: #fff; font-size: 0.8rem; font-weight: 700;
}

.step-content { flex: 1; min-width: 0; }
.step-label { display: block; font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; color: var(--text-secondary); }

.assign-input {
  width: 100%; padding: 12px 14px;
  border: 1px solid var(--border-color); border-radius: var(--radius-md);
  background: var(--bg-input); color: var(--text-primary);
  font-family: var(--font); font-size: 0.9rem; outline: none;
  transition: all var(--transition-fast);
}

.assign-input:focus { border-color: var(--border-focus); box-shadow: 0 0 0 3px var(--accent-glow); }
.assign-input::placeholder { color: var(--text-muted); }

.assign-task-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.assign-task-form .assign-input { flex: 1; min-width: 150px; }

.assign-task-list { list-style: none; display: flex; flex-direction: column; gap: 6px; margin-top: 12px; }

.assign-task-item {
  display: flex; align-items: center; gap: 10px; padding: 10px 14px;
  background: var(--bg-card); border: 1px solid var(--border-color);
  border-radius: var(--radius-sm); animation: taskSlideIn 0.3s ease;
}

.assign-task-item .task-text { flex: 1; font-size: 0.85rem; font-weight: 500; }

.assign-task-remove {
  width: 24px; height: 24px; border: none; border-radius: 50%;
  background: transparent; color: var(--text-muted); cursor: pointer;
  font-size: 0.75rem; display: flex; align-items: center; justify-content: center;
  transition: all var(--transition-fast);
}

.assign-task-remove:hover { background: rgba(255, 77, 106, 0.15); color: var(--danger); }

.assign-empty { padding: 24px; text-align: center; color: var(--text-muted); font-size: 0.85rem; }

/* ---------- Generate & Share Link ---------- */
.generate-link-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 12px; border: none; border-radius: var(--radius-md);
  background: linear-gradient(135deg, #6C63FF, #E040FB); color: #fff;
  font-family: var(--font); font-size: 0.9rem; font-weight: 700;
  cursor: pointer; transition: all var(--transition-fast);
}

.generate-link-btn:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 6px 20px var(--accent-glow); }
.generate-link-btn:disabled { opacity: 0.4; cursor: not-allowed; }

.share-link-box {
  display: flex; gap: 8px; margin-top: 12px;
  animation: fadeSlideIn 0.3s ease;
}

.share-link-input {
  flex: 1; padding: 10px 14px;
  border: 1px solid var(--accent); border-radius: var(--radius-md);
  background: var(--bg-input); color: var(--text-primary);
  font-family: var(--font); font-size: 0.75rem;
  outline: none; min-width: 0;
}

.copy-link-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px; border: none; border-radius: var(--radius-md);
  background: var(--accent); color: #fff;
  font-family: var(--font); font-size: 0.8rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition-fast); white-space: nowrap;
}

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

.copy-feedback {
  display: block; margin-top: 8px; font-size: 0.75rem; font-weight: 600;
  color: var(--success); min-height: 18px;
}

/* ---------- Shared History ---------- */
.shared-history-list { list-style: none; display: flex; flex-direction: column; gap: 8px; margin-top: 12px; }

.shared-history-item {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px 16px; background: var(--glass-bg);
  border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  animation: taskSlideIn 0.3s ease;
}

.shared-history-info { display: flex; flex-direction: column; gap: 2px; flex: 1; min-width: 0; }
.shared-history-info strong { font-size: 0.85rem; }
.shared-history-info span { font-size: 0.7rem; color: var(--text-muted); }

.shared-history-actions { display: flex; gap: 6px; }

.shared-history-btn {
  padding: 6px 12px; border: 1px solid var(--border-color); border-radius: var(--radius-sm);
  background: transparent; color: var(--text-secondary);
  font-family: var(--font); font-size: 0.7rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition-fast);
}

.shared-history-btn:hover { background: var(--bg-card-hover); color: var(--text-primary); }

/* ---------- Notification Bell ---------- */
.notif-bell-btn { position: relative; }
.notif-bell-btn .bell-icon { transition: transform 0.3s ease; }
.notif-bell-btn:hover .bell-icon { animation: bellRing 0.6s ease; }
.notif-bell-btn.active { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }

@keyframes bellRing {
  0% { transform: rotate(0); } 15% { transform: rotate(14deg); } 30% { transform: rotate(-14deg); }
  45% { transform: rotate(10deg); } 60% { transform: rotate(-10deg); } 75% { transform: rotate(4deg); } 100% { transform: rotate(0); }
}

.notif-badge {
  position: absolute; top: 6px; right: 6px; width: 8px; height: 8px;
  border-radius: 50%; background: var(--danger);
  box-shadow: 0 0 6px rgba(255, 77, 106, 0.6);
  animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse { 0%, 100% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.3); opacity: 0.7; } }

/* ---------- Notification Banner ---------- */
.notif-banner {
  position: fixed; bottom: -120px; left: 50%; transform: translateX(-50%);
  z-index: 1000; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; width: calc(100% - 32px); max-width: 600px; padding: 16px 20px;
  background: var(--glass-bg); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border); border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg); transition: bottom 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.notif-banner.visible { bottom: 24px; }

.notif-banner-content { display: flex; align-items: center; gap: 12px; }
.notif-banner-icon { display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; border-radius: var(--radius-md); background: rgba(108, 99, 255, 0.15); color: var(--accent); flex-shrink: 0; }
.notif-banner-text { display: flex; flex-direction: column; gap: 2px; }
.notif-banner-text strong { font-size: 0.9rem; font-weight: 600; }
.notif-banner-text span { font-size: 0.75rem; color: var(--text-muted); }

.notif-banner-actions { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }

.notif-allow-btn {
  padding: 8px 18px; border: none; border-radius: var(--radius-md);
  background: linear-gradient(135deg, #6C63FF, #7c74ff); color: #fff;
  font-family: var(--font); font-size: 0.8rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition-fast);
}

.notif-allow-btn:hover { background: linear-gradient(135deg, #7c74ff, #8b84ff); transform: translateY(-1px); box-shadow: 0 4px 12px var(--accent-glow); }

.notif-dismiss-btn {
  padding: 8px 14px; border: 1px solid var(--border-color); border-radius: var(--radius-md);
  background: transparent; color: var(--text-secondary);
  font-family: var(--font); font-size: 0.8rem; font-weight: 500;
  cursor: pointer; transition: all var(--transition-fast);
}

.notif-dismiss-btn:hover { background: var(--bg-card); color: var(--text-primary); }

/* ---------- Notification Dropdown ---------- */
.notif-dropdown {
  position: fixed; top: 70px; right: calc(50% - 370px);
  z-index: 999; width: 300px;
  background: var(--glass-bg); backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden;
  transform: translateY(-8px) scale(0.96); transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.notif-dropdown.visible { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }

.notif-dropdown-header { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px 12px; border-bottom: 1px solid var(--border-color); }
.notif-dropdown-header h3 { font-size: 0.95rem; font-weight: 700; }

.notif-status {
  font-size: 0.7rem; font-weight: 600; padding: 3px 10px;
  border-radius: 100px; background: rgba(255, 77, 106, 0.15);
  color: var(--danger); text-transform: uppercase; letter-spacing: 0.5px;
}

.notif-status.on { background: rgba(0, 214, 143, 0.15); color: var(--success); }

.notif-dropdown-body { padding: 12px 18px 16px; display: flex; flex-direction: column; gap: 6px; }
.notif-option { padding: 4px 0; }

/* ---------- Toggle Switch ---------- */
.notif-toggle-label { display: flex; align-items: center; justify-content: space-between; cursor: pointer; padding: 8px 0; }
.notif-toggle-label span { font-size: 0.82rem; font-weight: 500; color: var(--text-secondary); }

.toggle-switch { position: relative; width: 42px; height: 24px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
  position: absolute; inset: 0; background: var(--bg-input);
  border: 1px solid var(--border-color); border-radius: 100px;
  cursor: pointer; transition: all var(--transition-base);
}

.toggle-slider::before {
  content: ''; position: absolute; height: 18px; width: 18px;
  left: 2px; bottom: 2px; background: var(--text-muted);
  border-radius: 50%; transition: all var(--transition-base);
}

.toggle-switch input:checked + .toggle-slider { background: var(--accent); border-color: var(--accent); }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(18px); background: #fff; }

/* ---------- Notification Time Input ---------- */
.notif-time-input {
  padding: 6px 10px; border: 1px solid var(--border-color); border-radius: var(--radius-sm);
  background: var(--bg-input); color: var(--text-primary);
  font-family: var(--font); font-size: 0.8rem; outline: none;
  transition: all var(--transition-fast); cursor: pointer;
}

.notif-time-input:focus { border-color: var(--border-focus); box-shadow: 0 0 0 2px var(--accent-glow); }

/* ---------- Test Notification Button ---------- */
.notif-test-btn {
  margin-top: 8px; padding: 10px 16px;
  border: 1px dashed var(--border-color); border-radius: var(--radius-md);
  background: transparent; color: var(--text-secondary);
  font-family: var(--font); font-size: 0.8rem; font-weight: 600;
  cursor: pointer; transition: all var(--transition-fast);
  text-align: center; width: 100%;
}

.notif-test-btn:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.notif-test-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Footer ---------- */
.app-footer { text-align: center; padding: 32px 0 8px; color: var(--text-muted); font-size: 0.8rem; font-weight: 500; }

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .app-container { padding: 16px 12px 32px; }
  .stats-dashboard { grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .stat-card { padding: 14px 10px; flex-direction: column; align-items: flex-start; gap: 8px; }
  .stat-icon { width: 36px; height: 36px; }
  .stat-value { font-size: 1.15rem; }
  .add-task-form { flex-wrap: wrap; }
  .task-input { min-width: 100%; order: -1; }
  .date-input { max-width: none; flex: 1; }
  .search-wrapper.expanded .search-input { width: 150px; }
  .task-actions { opacity: 1; }
  .tab-btn { font-size: 0.75rem; padding: 10px 8px; gap: 4px; }
  .notif-dropdown { right: 12px; left: 12px; width: auto; }
  .notif-banner { flex-direction: column; text-align: center; }
  .notif-banner-content { flex-direction: column; }
  .assign-task-form { flex-direction: column; }
  .assign-task-form .assign-input { width: 100%; }
}

@media (max-width: 380px) {
  .stats-dashboard { grid-template-columns: 1fr; }
  .stat-card { flex-direction: row; }
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 100px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

::selection { background: var(--accent); color: #fff; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }