/* ==========================================================================
   DKClockify - Modern Premium Design System
   ========================================================================== */

:root {
  --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Color Palette - Dark Modern Theme */
  --bg-body: #0b0f19;
  --bg-sidebar: #0e1526;
  --bg-card: #131c31;
  --bg-card-hover: #18233d;
  --bg-input: #17223b;
  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: #38bdf8;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --primary: #0ea5e9;
  --primary-hover: #0284c7;
  --primary-glow: rgba(14, 165, 233, 0.25);

  --accent-green: #10b981;
  --accent-green-glow: rgba(16, 185, 129, 0.2);
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Light Theme Variable Overrides (if toggled) */
body.light-theme {
  --bg-body: #f8fafc;
  --bg-sidebar: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --bg-input: #f1f5f9;
  --border-color: #e2e8f0;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-dim: #94a3b8;
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: inherit;
  text-decoration: none;
}

button, input, select, textarea {
  font-family: inherit;
}

/* Layout */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* Sidebar Navigation */
.app-sidebar {
  width: 260px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: var(--transition);
  z-index: 40;
}

.sidebar-header {
  height: 72px;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.brand-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #0ea5e9, #6366f1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.brand-name {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(to right, #f8fafc, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-badge {
  font-size: 0.65rem;
  padding: 2px 6px;
  background: rgba(14, 165, 233, 0.2);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-weight: 700;
  text-transform: uppercase;
}

.sidebar-nav {
  padding: 1.5rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition);
}

.nav-item svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
  transition: var(--transition);
}

.nav-item:hover {
  color: var(--text-main);
  background-color: rgba(255, 255, 255, 0.04);
}

.nav-item.active {
  color: #fff;
  background: linear-gradient(90deg, rgba(14, 165, 233, 0.2) 0%, rgba(14, 165, 233, 0.05) 100%);
  border-left: 3px solid var(--primary);
  font-weight: 600;
}

.nav-item.active svg {
  color: var(--primary);
}

.sidebar-footer {
  padding: 1.25rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.8rem;
  color: var(--text-dim);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Main Content Area */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

.top-navbar {
  height: 72px;
  padding: 0 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(14, 21, 38, 0.6);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 30;
}

.page-title {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.content-container {
  padding: 2rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

/* Timer Bar (Hero Feature) */
.timer-hero-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.75rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.timer-hero-card.is-running {
  border-color: rgba(14, 165, 233, 0.5);
  box-shadow: 0 0 30px var(--primary-glow);
}

.timer-tabs {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
}

.timer-tab {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  position: relative;
}

.timer-tab.active {
  color: var(--primary);
}

.timer-tab.active::after {
  content: '';
  position: absolute;
  bottom: -0.85rem;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}

.timer-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.timer-input-desc {
  flex: 2;
  min-width: 240px;
}

.timer-select-project {
  flex: 1.2;
  min-width: 180px;
}

.timer-select-task {
  flex: 1;
  min-width: 140px;
}

.timer-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  margin-left: auto;
}

.timer-clock-display {
  font-family: 'JetBrains Mono', monospace, var(--font-family);
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-main);
  min-width: 135px;
  text-align: right;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.pulse-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent-red);
  display: inline-block;
  animation: pulseAnimation 1.5s infinite;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
  70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

/* Billable Icon Toggle */
.billable-toggle {
  background: none;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.billable-toggle:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
}

.billable-toggle.active {
  color: var(--accent-green);
  border-color: rgba(16, 185, 129, 0.4);
  background: var(--accent-green-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px var(--primary-glow);
}

.btn-primary:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--accent-red);
  color: #fff;
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.25);
}

.btn-danger:hover {
  background: #dc2626;
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--text-muted);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
}

/* Forms & Inputs */
.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.form-control {
  width: 100%;
  padding: 0.7rem 1rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 1rem;
  padding-right: 2.5rem;
}

/* Date & Time Input Specifics */
input[type="date"],
input[type="time"] {
  color-scheme: dark;
  font-family: inherit;
}

input[type="date"]::-webkit-calendar-picker-indicator,
input[type="time"]::-webkit-calendar-picker-indicator {
  cursor: pointer;
  opacity: 0.75;
  transition: opacity 0.2s ease;
  margin-left: 2px;
}

input[type="date"]::-webkit-calendar-picker-indicator:hover,
input[type="time"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}

.form-control-sm {
  padding: 0.6rem 0.75rem;
  font-size: 0.88rem;
}

.form-control-date {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.form-control-time {
  width: 124px;
  min-width: 120px;
  padding: 0.6rem 0.65rem;
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  text-align: center;
}

/* Manual Timer Layout Specifics */
.manual-timer-row {
  gap: 0.75rem;
}

.manual-desc {
  flex: 1.6;
  min-width: 200px;
}

.manual-project {
  flex: 1.1;
  min-width: 150px;
}

.manual-task {
  flex: 0.9;
  min-width: 130px;
}

.timer-manual-date {
  width: 156px;
  min-width: 152px;
  flex-shrink: 0;
}

.timer-manual-time-group {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.timer-time-separator {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.85rem;
  user-select: none;
}

.timer-manual-billable {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.manual-submit-btn {
  margin-left: auto;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Cards & Tables */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.card-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.card-body {
  padding: 1.75rem;
}

/* Time Entry Row / List */
.entry-day-group {
  margin-bottom: 2rem;
}

.entry-day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 0.5rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-color);
}

.entry-day-total {
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-main);
  font-weight: 700;
}

.entry-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-top: 0.6rem;
  transition: var(--transition);
}

.entry-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateX(2px);
}

.entry-desc {
  flex: 2;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-main);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.entry-project-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
}

.entry-project-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.entry-task-name {
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-left: 4px;
}

.entry-times {
  font-size: 0.85rem;
  color: var(--text-dim);
  font-family: 'JetBrains Mono', monospace;
}

.entry-duration {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  min-width: 85px;
  text-align: right;
}

.entry-billable-icon {
  color: var(--accent-green);
}

.entry-billable-icon.non-billable {
  color: var(--text-dim);
  opacity: 0.4;
}

.entry-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  transition: var(--transition);
}

.entry-card:hover .entry-actions {
  opacity: 1;
}

.btn-icon {
  background: transparent;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 6px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.btn-icon:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-main);
}

.btn-icon.delete:hover {
  color: var(--accent-red);
  background: rgba(239, 68, 68, 0.15);
}

/* Reports KPI Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), #6366f1);
}

.kpi-card.green::before {
  background: linear-gradient(90deg, #10b981, #059669);
}

.kpi-card.amber::before {
  background: linear-gradient(90deg, #f59e0b, #d97706);
}

.kpi-card.purple::before {
  background: linear-gradient(90deg, #8b5cf6, #ec4899);
}

.kpi-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
}

.kpi-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.02em;
}

.kpi-sub {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Filter Bar */
.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

/* Modals */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 520px;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: var(--transition);
  overflow: hidden;
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0);
}

.modal-header {
  padding: 1.25rem 1.75rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.modal-body {
  padding: 1.75rem;
}

.modal-footer {
  padding: 1.25rem 1.75rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.1);
}

/* Table styling */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th, .data-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table th {
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-muted);
  font-weight: 700;
  letter-spacing: 0.05em;
  background: rgba(255, 255, 255, 0.02);
}

.data-table tbody tr {
  transition: var(--transition);
}

.data-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Alerts */
.alert {
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.alert-success {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #34d399;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #f87171;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-admin {
  background: rgba(168, 85, 247, 0.15);
  color: #c084fc;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

.badge-employee {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Responsive */
@media (max-width: 992px) {
  .app-layout {
    flex-direction: column;
  }
  .app-sidebar {
    width: 100%;
    height: auto;
  }
  .sidebar-nav {
    flex-direction: row;
    overflow-x: auto;
    padding: 0.75rem;
  }
  .timer-row {
    flex-direction: column;
    align-items: stretch;
  }
  .manual-timer-row .timer-manual-date {
    width: 100%;
  }
  .manual-timer-row .timer-manual-time-group {
    width: 100%;
  }
  .manual-timer-row .timer-manual-time-group .form-control-time {
    flex: 1;
    width: auto;
  }
  .manual-timer-row .manual-submit-btn {
    width: 100%;
    margin-left: 0;
    margin-top: 0.5rem;
  }
  .timer-actions {
    margin-left: 0;
    justify-content: space-between;
    width: 100%;
    margin-top: 1rem;
  }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin-icon {
  animation: spin 1s linear infinite;
}