@import url('https://cdn.jsdelivr.net/npm/tailwindcss@2.2.19/dist/tailwind.min.css');
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #4F46E5;
  --primary-light: #6366F1;
  --primary-lighter: #818CF8;
  --bg-main: #F8FAFC;
  --bg-card: #FFFFFF;
  --bg-dark: #1E293B;
  --text-dark: #1E293B;
  --text-muted: #64748B;
  --text-white: #FFFFFF;
  --success: #10B981;
  --danger: #EF4444;
  --warning: #F59E0B;
  --info: #3B82F6;
  --border: #E2E8F0;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);
  --radius: 12px;
  --radius-sm: 8px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', 'PingFang SC', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-main);
  color: var(--text-dark);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ====== Login Page ====== */
.login-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
}

.login-wrapper::before {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  top: -200px;
  right: -200px;
}

.login-wrapper::after {
  content: '';
  position: absolute;
  width: 400px;
  height: 400px;
  background: rgba(255,255,255,0.03);
  border-radius: 50%;
  bottom: -100px;
  left: -100px;
}

.login-card {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(20px);
  border-radius: 20px;
  padding: 48px 40px;
  width: 420px;
  max-width: 90vw;
  box-shadow: var(--shadow-xl);
  position: relative;
  z-index: 1;
  animation: slideUp 0.6s ease;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-card .logo {
  text-align: center;
  margin-bottom: 32px;
}

.login-card .logo h1 {
  font-size: 32px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-card .logo p {
  color: var(--text-muted);
  font-size: 14px;
  margin-top: 4px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--text-dark);
  font-size: 14px;
}

.form-input {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  transition: var(--transition);
  outline: none;
  background: var(--bg-main);
}

.form-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  width: 100%;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
  border-radius: 6px;
}

.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-info { background: var(--info); color: white; }
.btn-warning { background: var(--warning); color: white; }
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text-muted);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.error-msg {
  color: var(--danger);
  font-size: 13px;
  margin-top: 8px;
  text-align: center;
  display: none;
}

/* ====== App Layout ====== */
.app-nav {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.app-nav .brand {
  font-size: 20px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--primary-lighter));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 14px;
  padding: 6px 12px;
  border-radius: 6px;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(79, 70, 229, 0.08);
}

.app-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px;
}

/* ====== Toggle Switch ====== */
.switch {
  position: relative;
  display: inline-block;
  width: 48px;
  height: 26px;
  flex-shrink: 0;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.switch .slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background: #CBD5E1;
  border-radius: 26px;
  transition: var(--transition);
}

.switch .slider::before {
  content: '';
  position: absolute;
  height: 20px;
  width: 20px;
  left: 3px;
  bottom: 3px;
  background: white;
  border-radius: 50%;
  transition: var(--transition);
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.switch input:checked + .slider {
  background: var(--success);
}

.switch input:checked + .slider::before {
  transform: translateX(22px);
}

.switch-lg {
  width: 56px;
  height: 30px;
}

.switch-lg .slider::before {
  height: 24px;
  width: 24px;
}

.switch-lg input:checked + .slider::before {
  transform: translateX(26px);
}

/* ====== Platform Switch ====== */
.platform-bar {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  border-radius: var(--radius);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  color: white;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.platform-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 0;
}

.platform-bar-title {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
}

.platform-bar-status {
  font-size: 13px;
  opacity: 0.85;
  padding: 2px 12px;
  background: rgba(255,255,255,0.15);
  border-radius: 20px;
  white-space: nowrap;
}

.platform-bar .switch .slider {
  background: rgba(255,255,255,0.3);
}

.platform-bar .switch input:checked + .slider {
  background: rgba(255,255,255,0.6);
}

/* ====== Task Card ====== */
.task-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.task-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border);
}

.task-card:hover {
  box-shadow: var(--shadow-lg);
}

.task-card.disabled {
  opacity: 0.55;
}
.task-card.disabled .btn-run {
  opacity: 1;
  filter: none;
  pointer-events: auto;
}

.task-header {
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.task-info {
  flex: 1;
  min-width: 0;
}

.task-name {
  font-weight: 600;
  font-size: 15px;
  color: var(--text-dark);
}

.task-action {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 10px;
  background: linear-gradient(135deg, rgba(79,70,229,0.1), rgba(99,102,241,0.1));
  color: var(--primary);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

.task-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.expand-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: var(--text-muted);
  transition: var(--transition);
  font-size: 18px;
}

.expand-btn:hover { color: var(--primary); }
.expand-btn.expanded { transform: rotate(180deg); }

/* ====== Schedule Panel ====== */
.schedule-panel {
  background: var(--bg-main);
  border-top: 1px solid var(--border);
  padding: 16px 20px;
  display: none;
}

.schedule-panel.open {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.schedule-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.schedule-item:hover {
  border-color: var(--primary-lighter);
}

.schedule-item.disabled {
  opacity: 0.5;
}

.schedule-mode {
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.schedule-mode.exact {
  background: rgba(59, 130, 246, 0.1);
  color: var(--info);
}

.schedule-mode.range {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.schedule-time {
  flex: 1;
  font-size: 13px;
  color: var(--text-dark);
  font-weight: 500;
}

.schedule-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.add-schedule-btn {
  width: 100%;
  padding: 10px;
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
}

.add-schedule-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(79, 70, 229, 0.04);
}

/* ====== FAB ====== */
.fab {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: white;
  border: none;
  font-size: 28px;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(79, 70, 229, 0.4);
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
}

.fab:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
}

/* ====== Modal ====== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

.modal-overlay.open {
  display: flex;
  animation: fadeIn 0.2s ease;
}

.modal {
  background: var(--bg-card);
  border-radius: 16px;
  padding: 32px;
  width: 480px;
  max-width: 90vw;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.3s ease;
}

.modal h3 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 24px;
  color: var(--text-dark);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 24px;
}

/* ====== Admin Page ====== */
.config-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  margin-bottom: 20px;
  overflow: hidden;
}

.config-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.config-card-header h3 {
  font-size: 16px;
  font-weight: 600;
}

.config-card-body {
  padding: 20px;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(79, 70, 229, 0.08);
  color: var(--primary);
  border-radius: 20px;
  font-size: 13px;
  font-weight: 500;
}

.tag .remove-tag {
  cursor: pointer;
  opacity: 0.6;
  font-size: 16px;
  line-height: 1;
}

.tag .remove-tag:hover {
  opacity: 1;
  color: var(--danger);
}

.inline-add {
  display: flex;
  gap: 8px;
}

.inline-add input {
  flex: 1;
}

/* ====== Select Dropdown ====== */
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748B' 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 12px center;
  padding-right: 40px;
}

/* ====== Toast ====== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  color: white;
  font-size: 14px;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.3s ease;
  min-width: 200px;
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(50px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.info { background: var(--info); }

/* ====== Empty State ====== */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.empty-state svg {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
  opacity: 0.3;
}

.empty-state p {
  font-size: 15px;
}

/* ====== Responsive ====== */
@media (max-width: 640px) {
  .app-content { padding: 16px; }
  .task-header { flex-wrap: wrap; }
  .modal { padding: 24px; margin: 16px; }
  .login-card { padding: 32px 24px; }
  .platform-bar { padding: 12px 16px; }
  .platform-bar-left { gap: 8px; }
  .platform-bar-title { font-size: 14px; }
  .platform-bar-status { font-size: 12px; }
}