/* CSS Variables - TaskWright Brand Colors */
:root {
  --color-primary: #4F46E5;
  --color-primary-dark: #3730A3;
  --color-secondary: #1E293B;
  --color-accent: #F59E0B;
  --color-success: #10B981;
  --color-warning: #F59E0B;
  --color-error: #EF4444;
  --color-info: #3B82F6;

  --color-bg: #f8fafc;
  --color-bg-dark: #0F172A;
  --color-surface: #ffffff;
  --color-border: #e5e7eb;
  --color-text: #1e293b;
  --color-text-light: #6b7280;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.15), 0 10px 10px rgba(0, 0, 0, 0.04);

  --radius: 8px;
  --radius-lg: 12px;

  --transition: 0.2s ease;

  /* TaskWright Logo Gradient */
  --logo-gradient: linear-gradient(135deg, #4F46E5, #06B6D4);
}

/* Gradient Text Utility */
.gradient-text {
  background: var(--logo-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Logo Gradient */
.logo-gradient {
  background: var(--logo-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

/* Typography */
h1, h2, h3 {
  margin: 0 0 1rem;
  font-weight: 600;
}

h1 { font-size: 1.75rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1rem; }

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* ==========================================
   BUTTONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.btn-primary {
  background: var(--color-primary);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  transform: translateY(-1px);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0);
}

.btn-success {
  background: var(--color-success);
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: #059669;
}

.btn-danger {
  background: var(--color-error);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: #dc2626;
}

.btn-warning {
  background: var(--color-warning);
  color: white;
}

.btn-warning:hover:not(:disabled) {
  background: #d97706;
}

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

.btn-outline:hover:not(:disabled) {
  background: var(--color-bg);
  border-color: var(--color-text-light);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text-light);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-bg);
  color: var(--color-text);
}

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
}

.btn-block {
  width: 100%;
}

.btn-icon {
  padding: 0.5rem;
}

.btn-icon.btn-sm {
  padding: 0.25rem;
}

/* ==========================================
   FORM INPUTS
   ========================================== */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.25rem;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group input[type="url"],
.form-group textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  transition: all var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-light);
  opacity: 0.7;
}

.form-group input:hover:not(:disabled):not(:focus),
.form-group textarea:hover:not(:disabled):not(:focus) {
  border-color: var(--color-text-light);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-group input:disabled,
.form-group textarea:disabled {
  background: var(--color-bg);
  cursor: not-allowed;
  opacity: 0.7;
}

.form-group input.error,
.form-group textarea.error {
  border-color: var(--color-error);
}

.form-group input.error:focus,
.form-group textarea.error:focus {
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-static {
  padding: 0.5rem 0;
  font-size: 0.875rem;
}

.form-static.total {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary);
}

.form-message {
  margin-top: 0.5rem;
  font-size: 0.875rem;
}

.form-message.error {
  color: var(--color-error);
}

.form-message.success {
  color: var(--color-success);
}

.form-hint {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ==========================================
   SELECT DROPDOWNS (Native, styled)
   ========================================== */
select,
.form-group select,
.filter-group select {
  width: 100%;
  padding: 0.625rem 2.5rem 0.625rem 0.875rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background-color: var(--color-surface);
  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='%236b7280' 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: 16px;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

select:hover,
.form-group select:hover,
.filter-group select:hover {
  border-color: var(--color-primary);
}

select:focus,
.form-group select:focus,
.filter-group select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

select:disabled,
.form-group select:disabled {
  background-color: var(--color-bg);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Select placeholder styling */
select option[value=""] {
  color: var(--color-text-light);
}

/* Filter group select - smaller size */
.filter-group select {
  width: auto;
  min-width: 150px;
}

/* ==========================================
   CUSTOM DATE PICKER
   ========================================== */
.custom-datepicker {
  position: relative;
  width: 100%;
}

.custom-datepicker-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
}

.custom-datepicker-trigger:hover {
  border-color: var(--color-text-light);
}

.custom-datepicker.open .custom-datepicker-trigger,
.custom-datepicker-trigger:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.custom-datepicker-trigger .placeholder {
  color: var(--color-text-light);
}

.custom-datepicker-icon {
  width: 16px;
  height: 16px;
  color: var(--color-text-light);
}

.custom-datepicker-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 1rem;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition);
  min-width: 280px;
}

.custom-datepicker.open .custom-datepicker-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.datepicker-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.datepicker-header button {
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: var(--color-text-light);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.datepicker-header button:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.datepicker-header .month-year {
  font-weight: 600;
  color: var(--color-text);
}

.datepicker-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  margin-bottom: 0.5rem;
}

.datepicker-weekdays span {
  text-align: center;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-light);
  padding: 0.25rem;
}

.datepicker-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
}

.datepicker-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  background: none;
  color: var(--color-text);
}

.datepicker-day:hover:not(:disabled):not(.selected) {
  background: var(--color-bg);
}

.datepicker-day.other-month {
  color: var(--color-text-light);
  opacity: 0.5;
}

.datepicker-day.today {
  font-weight: 600;
  color: var(--color-primary);
}

.datepicker-day.selected {
  background: var(--color-primary);
  color: white;
  font-weight: 500;
}

.datepicker-day:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* Fallback native date input */
.form-group input[type="date"],
.form-group input[type="time"] {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  font-family: inherit;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.form-group input[type="date"]:hover,
.form-group input[type="time"]:hover {
  border-color: var(--color-text-light);
}

.form-group input[type="date"]:focus,
.form-group input[type="time"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* ==========================================
   CUSTOM CHECKBOXES & RADIO BUTTONS
   ========================================== */
.custom-checkbox,
.custom-radio {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.custom-checkbox input,
.custom-radio input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.custom-checkbox .checkmark {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.custom-radio .checkmark {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--color-border);
  border-radius: 50%;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.custom-checkbox:hover .checkmark,
.custom-radio:hover .checkmark {
  border-color: var(--color-primary);
}

.custom-checkbox input:checked + .checkmark {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.custom-checkbox input:checked + .checkmark::after {
  content: '';
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-bottom: 2px;
}

.custom-radio input:checked + .checkmark {
  border-color: var(--color-primary);
}

.custom-radio input:checked + .checkmark::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-primary);
}

.custom-checkbox input:focus + .checkmark,
.custom-radio input:focus + .checkmark {
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.custom-checkbox input:disabled + .checkmark,
.custom-radio input:disabled + .checkmark {
  opacity: 0.5;
  cursor: not-allowed;
}

.custom-checkbox .label-text,
.custom-radio .label-text {
  font-size: 0.875rem;
  color: var(--color-text);
}

/* ==========================================
   TOGGLE SWITCH
   ========================================== */
.toggle-switch {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
}

.toggle-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.toggle-track {
  width: 44px;
  height: 24px;
  background: var(--color-border);
  border-radius: 12px;
  position: relative;
  transition: all var(--transition);
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  background: white;
  border-radius: 50%;
  box-shadow: var(--shadow);
  transition: all var(--transition);
}

.toggle-switch input:checked + .toggle-track {
  background: var(--color-primary);
}

.toggle-switch input:checked + .toggle-track .toggle-thumb {
  left: 22px;
}

.toggle-switch input:focus + .toggle-track {
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

/* ==========================================
   CUSTOM MODAL / DIALOG
   ========================================== */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 1rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.modal.active {
  display: flex;
  opacity: 1;
}

.modal-content {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition);
}

.modal.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-lg {
  max-width: 700px;
}

.modal-sm {
  max-width: 400px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.modal-header h2 {
  margin: 0;
  font-size: 1.125rem;
}

.modal-close {
  background: none;
  border: none;
  width: 32px;
  height: 32px;
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-body {
  padding: 1.5rem;
}

.modal-content form {
  padding: 1.5rem;
}

.modal-footer,
.modal-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Confirm Dialog specific */
.confirm-dialog .modal-body {
  text-align: center;
  padding: 2rem 1.5rem;
}

.confirm-dialog .confirm-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.confirm-dialog .confirm-icon.warning {
  background: #fef3c7;
  color: var(--color-warning);
}

.confirm-dialog .confirm-icon.danger {
  background: #fee2e2;
  color: var(--color-error);
}

.confirm-dialog .confirm-icon.info {
  background: #dbeafe;
  color: var(--color-info);
}

.confirm-dialog .confirm-icon svg {
  width: 28px;
  height: 28px;
}

.confirm-dialog h3 {
  margin: 0 0 0.5rem;
  font-size: 1.125rem;
}

.confirm-dialog p {
  margin: 0;
  color: var(--color-text-light);
}

.confirm-dialog .modal-footer {
  justify-content: center;
}

/* Confirm/Alert Dialog Overlay (created by Dialog component) */
.confirm-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1rem;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.confirm-overlay.confirm-visible {
  opacity: 1;
}

.confirm-dialog {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-xl);
  transform: scale(0.95) translateY(10px);
  transition: transform 0.2s ease;
}

.confirm-overlay.confirm-visible .confirm-dialog {
  transform: scale(1) translateY(0);
}

.confirm-header {
  padding: 1.25rem 1.5rem 0;
}

.confirm-title {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
}

.confirm-body {
  padding: 1rem 1.5rem;
}

.confirm-body p {
  margin: 0;
  color: var(--color-text-light);
  line-height: 1.5;
  white-space: pre-line;
}

.confirm-body .prompt-input {
  width: 100%;
  margin-top: 1rem;
  padding: 0.625rem 0.875rem;
  font-size: 0.875rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  transition: all var(--transition);
}

.confirm-body .prompt-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.confirm-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
  padding: 1rem 1.5rem;
  background: var(--color-bg);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ==========================================
   TOAST NOTIFICATIONS
   ========================================== */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 300px;
  max-width: 420px;
  pointer-events: auto;
  transform: translateX(120%);
  opacity: 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.toast-visible {
  transform: translateX(0);
  opacity: 1;
}

.toast.toast-hiding {
  transform: translateX(120%);
  opacity: 0;
}

.toast-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

.toast-content {
  flex: 1;
  min-width: 0;
}

.toast-title {
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 0.125rem;
}

.toast-message {
  font-size: 0.8125rem;
  color: var(--color-text-light);
}

.toast-close {
  background: none;
  border: none;
  padding: 0.25rem;
  cursor: pointer;
  color: var(--color-text-light);
  border-radius: 4px;
  transition: all var(--transition);
  flex-shrink: 0;
}

.toast-close:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.toast-close svg {
  width: 16px;
  height: 16px;
}

.toast-progress {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  animation: toast-progress linear forwards;
}

@keyframes toast-progress {
  from { width: 100%; }
  to { width: 0%; }
}

.toast.success {
  border-left: 4px solid var(--color-success);
}
.toast.success .toast-icon { color: var(--color-success); }
.toast.success .toast-progress { background: var(--color-success); }

.toast.error {
  border-left: 4px solid var(--color-error);
}
.toast.error .toast-icon { color: var(--color-error); }
.toast.error .toast-progress { background: var(--color-error); }

.toast.warning {
  border-left: 4px solid var(--color-warning);
}
.toast.warning .toast-icon { color: var(--color-warning); }
.toast.warning .toast-progress { background: var(--color-warning); }

.toast.info {
  border-left: 4px solid var(--color-info);
}
.toast.info .toast-icon { color: var(--color-info); }
.toast.info .toast-progress { background: var(--color-info); }

/* ==========================================
   NOTIFICATION BANNER (inline)
   ========================================== */
.notification {
  display: none;
  padding: 0.875rem 1rem;
  margin-bottom: 1rem;
  border-radius: var(--radius);
  font-size: 0.875rem;
  align-items: center;
  gap: 0.75rem;
}

.notification.active {
  display: flex;
}

.notification-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.notification-success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.notification-error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.notification-warning {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
}

.notification-info {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* ==========================================
   NAVBAR
   ========================================== */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 60px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-brand {
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-primary);
  text-decoration: none;
  cursor: pointer;
}

.nav-brand:hover {
  opacity: 0.9;
}

.nav-links {
  display: flex;
  gap: 0.25rem;
}

.nav-links a {
  padding: 0.5rem 1rem;
  border-radius: var(--radius);
  color: var(--color-text-light);
  font-weight: 500;
  text-decoration: none;
  transition: all var(--transition);
}

.nav-links a:hover {
  background: var(--color-bg);
  color: var(--color-text);
}

.nav-links a.active {
  background: rgba(79, 70, 229, 0.1);
  color: var(--color-primary);
}

.nav-user {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav-user span {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* ==========================================
   CONTAINER & LAYOUT
   ========================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem;
}

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.page-header h1 {
  margin: 0;
}

/* ==========================================
   CARDS
   ========================================== */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  overflow: hidden;
}

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

.card-header h2 {
  margin: 0;
}

.card-body {
  padding: 1.25rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1rem;
}

/* ==========================================
   STATS
   ========================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--color-surface);
  padding: 1.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.stat-label {
  color: var(--color-text-light);
  font-size: 0.875rem;
}

/* ==========================================
   FILTERS
   ========================================== */
.filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.filter-group label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  white-space: nowrap;
}

/* ==========================================
   TABLES
   ========================================== */
.table-container {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
  background: var(--color-bg);
}

.data-table tr:hover {
  background: var(--color-bg);
}

.data-table .loading,
.data-table .empty {
  text-align: center;
  color: var(--color-text-light);
  padding: 2rem;
}

.customer-info strong {
  display: block;
}

.customer-info small {
  color: var(--color-text-light);
}

/* ==========================================
   STATUS BADGES
   ========================================== */
.status-badge,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 9999px;
  text-transform: capitalize;
}

.status-pending,
.badge-warning {
  background: #fef3c7;
  color: #92400e;
}

.status-scheduled {
  background: #dbeafe;
  color: #1e40af;
}

.status-in_progress {
  background: #fef3c7;
  color: #92400e;
}

.status-completed,
.status-paid,
.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.status-cancelled {
  background: #fee2e2;
  color: #991b1b;
}

.status-sent {
  background: #e0e7ff;
  color: #3730a3;
}

/* Project status badges */
.status-estimate {
  background: #f3f4f6;
  color: #4b5563;
}

.status-approved {
  background: #dbeafe;
  color: #1e40af;
}

.status-on_hold {
  background: #fee2e2;
  color: #991b1b;
}

.status-not_started {
  background: #f3f4f6;
  color: #6b7280;
}

.status-draft {
  background: #f3f4f6;
  color: #6b7280;
}

.status-overdue {
  background: #fee2e2;
  color: #991b1b;
}

.badge {
  background: var(--color-bg);
  color: var(--color-text-light);
}

.badge-info {
  background: #dbeafe;
  color: #1e40af;
}

/* ==========================================
   AUTH PAGES
   ========================================== */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.auth-container {
  width: 100%;
  max-width: 400px;
  padding: 1rem;
}

.auth-card {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  text-align: center;
}

.auth-logo {
  margin-bottom: 1rem;
  color: var(--color-primary);
}

.logo-icon {
  width: 48px;
  height: 48px;
}

.auth-card h1 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
}

.auth-form {
  text-align: left;
}

.auth-error {
  color: var(--color-error);
  font-size: 0.875rem;
  margin-top: 1rem;
  text-align: center;
}

.auth-error.warning {
  color: var(--color-warning);
}

.auth-error.hint {
  color: var(--color-text-light);
  font-size: 0.8rem;
}

.auth-footer {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-border);
}

/* ==========================================
   TECHNICIAN CARDS
   ========================================== */
.tech-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.tech-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.25rem;
  flex-shrink: 0;
}

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

.tech-info h3 {
  margin: 0;
}

.tech-info p {
  margin: 0.25rem 0 0;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.tech-specialties {
  font-size: 0.75rem !important;
}

.tech-calendar {
  flex-shrink: 0;
}

.tech-actions {
  flex-shrink: 0;
}

/* ==========================================
   CHECKBOX GROUP (Tag style)
   ========================================== */
.checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.375rem 0.75rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 1.5px solid transparent;
}

.checkbox-label:hover {
  border-color: var(--color-primary);
}

.checkbox-label:has(input:checked) {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.checkbox-label input {
  display: none;
}

/* ==========================================
   LINE ITEMS (Invoice)
   ========================================== */
.line-item {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr auto;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
  align-items: start;
}

.line-item input {
  padding: 0.5rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  transition: all var(--transition);
}

.line-item input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* ==========================================
   SETTINGS GRID
   ========================================== */
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
}

.settings-grid .card {
  padding: 0;
}

.settings-grid form,
.settings-grid .company-info,
.settings-grid .integration-list {
  padding: 1.25rem;
}

.integration-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.integration-item:last-child {
  border-bottom: none;
}

.integration-info strong {
  display: block;
}

.integration-info p {
  margin: 0.25rem 0 0;
  font-size: 0.75rem;
  color: var(--color-text-light);
}

.company-info p {
  margin: 0.5rem 0;
}

.info-note {
  margin-top: 1rem !important;
  padding: 0.75rem;
  background: var(--color-bg);
  border-radius: var(--radius);
  font-size: 0.75rem;
  color: var(--color-text-light);
}

/* ==========================================
   PUBLIC BOOKING PAGE
   ========================================== */
.public-page {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-bg) 0%, #e0f2fe 100%);
}

.booking-container {
  max-width: 600px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.booking-header {
  text-align: center;
  margin-bottom: 2rem;
}

.booking-header h1 {
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.booking-header p {
  color: var(--color-text-light);
}

.logo-icon-lg {
  width: 64px;
  height: 64px;
  color: var(--color-primary);
}

.booking-card {
  background: var(--color-surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.booking-card h2 {
  margin-bottom: 1.5rem;
  text-align: center;
}

.booking-confirmation {
  text-align: center;
}

.confirmation-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  background: var(--color-success);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
}

.confirmation-details {
  background: var(--color-bg);
  padding: 1rem;
  border-radius: var(--radius);
  margin: 1.5rem 0;
  text-align: left;
}

.confirmation-details p {
  margin: 0.5rem 0;
}

.booking-footer {
  text-align: center;
  margin-top: 2rem;
  color: var(--color-text-light);
  font-size: 0.875rem;
}

.booking-footer p {
  margin: 0.25rem 0;
}

.contact-info {
  margin-bottom: 0.5rem;
}

/* ==========================================
   LOADING STATES
   ========================================== */
.loading-spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.skeleton {
  background: linear-gradient(90deg, var(--color-bg) 25%, var(--color-border) 50%, var(--color-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ==========================================
   EMPTY STATES
   ========================================== */
.empty-state {
  text-align: center;
  padding: 3rem 2rem;
  color: var(--color-text-light);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1rem;
  color: var(--color-border);
}

.empty-state h3 {
  margin: 0 0 0.5rem;
  color: var(--color-text);
}

.empty-state p {
  margin: 0 0 1.5rem;
}

/* ==========================================
   SMART SCHEDULING
   ========================================== */
.modal-xl {
  max-width: 1000px;
}

.scheduler-container {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-height: 75vh;
  overflow-y: auto;
}

/* Recommendation Banner */
.scheduler-recommendation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(6, 182, 212, 0.1) 100%);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  animation: pulse-border 2s ease-in-out infinite;
}

@keyframes pulse-border {
  0%, 100% { border-color: var(--color-primary); }
  50% { border-color: var(--color-accent); }
}

.recommendation-content {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.recommendation-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.recommendation-icon svg {
  width: 20px;
  height: 20px;
  color: white;
}

.recommendation-text {
  font-size: 0.9375rem;
}

.recommendation-text strong {
  color: var(--color-primary);
}

.rec-reason {
  color: var(--color-text-light);
  font-size: 0.8125rem;
}

/* Plumber Cards */
.scheduler-plumbers h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
}

.plumber-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.plumber-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--color-surface);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: all var(--transition);
}

.plumber-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
}

.plumber-card.recommended {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, rgba(8, 145, 178, 0.03) 0%, rgba(6, 182, 212, 0.03) 100%);
}

.recommended-badge {
  position: absolute;
  top: -8px;
  right: 12px;
  background: var(--color-primary);
  color: white;
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.plumber-avatar {
  width: 48px;
  height: 48px;
  background: var(--color-primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.125rem;
  flex-shrink: 0;
}

.plumber-info {
  flex: 1;
}

.plumber-info h4 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.plumber-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.plumber-calendar.connected {
  color: var(--color-success);
}

.plumber-next {
  font-size: 0.8125rem;
  margin-bottom: 0.5rem;
}

.plumber-next.unavailable {
  color: var(--color-text-light);
}

.plumber-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.skill-tag {
  font-size: 0.6875rem;
  padding: 0.125rem 0.375rem;
  background: var(--color-bg);
  border-radius: 4px;
  color: var(--color-text-light);
}

/* Calendar Grid */
.scheduler-calendar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.calendar-header h3 {
  margin: 0;
  font-size: 1rem;
}

.calendar-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.calendar-nav span {
  font-size: 0.875rem;
  color: var(--color-text-light);
  min-width: 140px;
  text-align: center;
}

.availability-grid {
  padding: 1rem;
  overflow-x: auto;
}

.grid-container {
  display: table;
  width: 100%;
  border-collapse: collapse;
}

.grid-header,
.grid-row {
  display: table-row;
}

.grid-cell {
  display: table-cell;
  padding: 0.5rem;
  text-align: center;
  border: 1px solid var(--color-border);
  vertical-align: middle;
}

.grid-plumber-header,
.grid-plumber-name {
  text-align: left;
  font-weight: 500;
  background: var(--color-bg);
  min-width: 120px;
  position: sticky;
  left: 0;
  z-index: 1;
}

.grid-date-header {
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-bg);
  min-width: 80px;
}

.grid-date-header.weekend {
  color: var(--color-text-light);
  background: #f3f4f6;
}

.grid-day {
  min-width: 80px;
  height: 50px;
  cursor: pointer;
  transition: all var(--transition);
}

.grid-day.weekend {
  background: #f3f4f6;
  cursor: default;
}

.grid-day.busy {
  background: #fef2f2;
}

.grid-day.available {
  background: #f0fdf4;
}

.grid-day.available:hover {
  background: #dcfce7;
  transform: scale(1.02);
}

.day-status {
  font-size: 0.6875rem;
  font-weight: 500;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
}

.day-status.available {
  color: var(--color-success);
  background: rgba(16, 185, 129, 0.1);
}

.grid-day.busy .day-status {
  color: var(--color-error);
  background: rgba(239, 68, 68, 0.1);
}

/* Slot Picker (in dialog) */
.slot-picker {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  padding: 0.5rem 0;
}

.slot-btn {
  min-width: 80px;
}

/* Selection Bar */
.scheduler-selection {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--color-success);
  color: white;
  border-radius: var(--radius-lg);
  position: sticky;
  bottom: 0;
}

.selection-details {
  font-size: 0.9375rem;
}

.selection-details strong {
  margin-right: 0.25rem;
}

.selection-actions {
  display: flex;
  gap: 0.5rem;
}

.selection-actions .btn-outline {
  background: transparent;
  border-color: white;
  color: white;
}

.selection-actions .btn-outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.selection-actions .btn-primary {
  background: white;
  color: var(--color-success);
}

.selection-actions .btn-primary:hover {
  background: rgba(255, 255, 255, 0.9);
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 768px) {
  .navbar {
    flex-wrap: wrap;
    height: auto;
    padding: 0.75rem 1rem;
  }

  .nav-links {
    order: 3;
    width: 100%;
    justify-content: center;
    padding-top: 0.5rem;
  }

  .nav-links a {
    padding: 0.375rem 0.5rem;
    font-size: 0.875rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .line-item {
    grid-template-columns: 1fr 1fr;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .page-header {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }

  .filters {
    flex-direction: column;
  }

  .toast-container {
    left: 1rem;
    right: 1rem;
  }

  .toast {
    min-width: auto;
    max-width: none;
  }

  /* Scheduler responsive */
  .scheduler-recommendation {
    flex-direction: column;
    text-align: center;
  }

  .recommendation-content {
    flex-direction: column;
  }

  .plumber-cards {
    grid-template-columns: 1fr;
  }

  .calendar-header {
    flex-direction: column;
    gap: 0.75rem;
  }

  .scheduler-selection {
    flex-direction: column;
    gap: 0.75rem;
  }
}