/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--gray-lighter);
    color: var(--dark);
}

.btn-secondary:hover {
    background: var(--gray-light);
}

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

.btn-accent:hover {
    background: var(--error-dark);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.85rem;
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
}

.btn-icon {
    padding: var(--spacing-sm);
    border-radius: var(--radius-full);
}

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

.btn-danger:hover {
    background: var(--error-dark);
}

/* ============================================
   FORMS
   ============================================ */

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--dark);
}

.form-group small {
    font-size: 0.8rem;
    color: var(--gray);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-lighter);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-group input[type="color"] {
    padding: 4px;
    height: 48px;
    width: 120px;
    cursor: pointer;
    border: 2px solid var(--gray-light);
}

.form-group input[type="color"]:hover {
    border-color: var(--primary);
}

.form-group input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.form-group input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 4px;
}

.form-group input[type="color"]::-moz-color-swatch {
    border: none;
    border-radius: 4px;
}

.form-note {
    font-size: 0.85rem;
    color: var(--gray);
    margin-top: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
    justify-content: center;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

/* ============================================
   TAGS SYSTEM
   ============================================ */

.tag {
    display: inline-block;
    padding: 2px 8px;
    background: var(--primary-lighter);
    color: var(--primary-dark);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Tags Input Dropdown System */
.tags-input-wrapper {
    position: relative;
    min-height: 38px;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
    cursor: text;
}

.tags-selected {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    align-items: center;
}

.tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    background: var(--primary-lighter);
    color: var(--primary-dark);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.tag-pill:hover {
    background: var(--primary-light);
}

.tag-pill-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    margin-left: 2px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    font-size: 10px;
    line-height: 1;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.tag-pill-remove:hover {
    background: rgba(0, 0, 0, 0.2);
}

.tags-input {
    flex: 1;
    min-width: 120px;
    border: 1px solid var(--gray-light);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.tags-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-lighter);
}

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

.tags-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    max-height: 240px;
    overflow-y: auto;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    display: none;
}

.tags-dropdown.show {
    display: block;
}

.tags-dropdown-item {
    padding: 10px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background-color 0.15s ease;
    font-size: 0.9rem;
}

.tags-dropdown-item:hover,
.tags-dropdown-item.active {
    background: var(--primary-lighter);
}

.tags-dropdown-item-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    background: var(--primary-lighter);
    color: var(--primary-dark);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 500;
}

.tags-dropdown-item.new .tags-dropdown-item-tag {
    background: var(--success-bg);
    color: var(--success-darker);
}

.tags-dropdown-item-badge {
    margin-left: auto;
    padding: 2px 6px;
    background: var(--gray-100);
    color: var(--gray-500);
    border-radius: var(--radius-full);
    font-size: 0.7rem;
    font-weight: 500;
}

.tags-dropdown-item.new .tags-dropdown-item-badge {
    background: var(--success-bg);
    color: var(--success-darker);
}

.tags-dropdown-item-delete {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background: var(--error-lighter);
    color: var(--error-darker);
    border-radius: 50%;
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    transition: all 0.2s ease;
    font-weight: 500;
}

.tags-dropdown-item-delete:hover {
    background: var(--error-lighter-hover);
    transform: scale(1.1);
}

.tags-dropdown-empty {
    padding: 12px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ============================================
   CARDS (Generic)
   ============================================ */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--dark);
}

.card-subtitle {
    font-size: 0.9rem;
    color: var(--gray);
}

.card-content {
    margin-bottom: var(--spacing-md);
}

.card-meta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--gray);
}

.card-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-lighter);
}

/* ============================================
   STATUS BADGES
   ============================================ */

.status-badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-active {
    background: var(--success-lighter);
    color: var(--success-darker);
}

.status-paused {
    background: var(--warning-lighter);
    color: var(--warning-darker);
}

.status-completed {
    background: var(--gray-lighter);
    color: var(--gray);
}

/* ============================================
   PROGRESS BARS
   ============================================ */

.progress-bar {
    height: 6px;
    background: var(--gray-lighter);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-top: var(--spacing-sm);
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

.progress-fill.warning {
    background: var(--warning);
}

.progress-fill.danger {
    background: var(--error);
}

/* ============================================
   MODALS
   ============================================ */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
}

.modal.active {
    display: flex;
}

/* Client/Project modals stack above edit-entry modal */
#clientModal.active,
#projectModal.active {
    z-index: 2100;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.modal-header h3 {
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray);
    padding: var(--spacing-xs);
    line-height: 1;
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--dark);
}

.modal-body {
    padding: var(--spacing-lg) 0;
}

.modal-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-lighter);
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */

#notificationContainer {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    pointer-events: none;
}

.notification {
    background: var(--white);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 400px;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideIn 0.3s ease-out;
    pointer-events: auto;
    border-left: 4px solid var(--info);
}

.notification.success { border-left-color: var(--success); }
.notification.error { border-left-color: var(--error); }
.notification.warning { border-left-color: var(--warning); }
.notification.info { border-left-color: var(--info); }

.notification-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.notification.success .notification-icon { color: var(--success); }
.notification.error .notification-icon { color: var(--error); }
.notification.warning .notification-icon { color: var(--warning); }
.notification.info .notification-icon { color: var(--info); }

.notification-content {
    flex: 1;
}

.notification-title {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--dark);
}

.notification-message {
    font-size: 0.9rem;
    color: var(--gray);
}

.notification-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--gray);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.notification-close:hover {
    background-color: var(--gray-lighter);
}

.notification.removing {
    animation: slideOut 0.3s ease-out forwards;
}

/* ============================================
   EMPTY STATES
   ============================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--gray);
}

.empty-state-small {
    text-align: center;
    color: var(--gray);
    font-size: 0.85rem;
    padding: var(--spacing-md) 0;
}