/**
 * GK CRM - Unified Styles
 * Version: 1.0.0
 *
 * Provides consistent styling across the entire application
 */

/* ============================================
   CSS VARIABLES - BRAND COLORS
   ============================================ */
:root {
    --gk-primary: #1a73e8;
    --gk-primary-hover: #1557b0;
    --gk-success: #137333;
    --gk-success-bg: #e6f4ea;
    --gk-warning: #f9ab00;
    --gk-warning-bg: #fef7e0;
    --gk-danger: #d93025;
    --gk-danger-bg: #fce8e6;
    --gk-info: #1a73e8;
    --gk-info-bg: #e8f0fe;
    --gk-text: #202124;
    --gk-text-secondary: #5f6368;
    --gk-border: #dadce0;
    --gk-shadow: rgba(0, 0, 0, 0.1);
    --gk-radius: 8px;
    --gk-radius-sm: 4px;
    --gk-transition: 0.2s ease;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.gk-toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-width: 400px;
    pointer-events: none;
}

.gk-toast {
    display: flex;
    align-items: flex-start;
    padding: 14px 16px;
    background: white;
    border-radius: var(--gk-radius);
    box-shadow: 0 4px 12px var(--gk-shadow), 0 2px 4px rgba(0, 0, 0, 0.06);
    border-left: 4px solid var(--gk-info);
    transform: translateX(120%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    pointer-events: auto;
}

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

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

.gk-toast-success {
    border-left-color: var(--gk-success);
    background: var(--gk-success-bg);
}

.gk-toast-error {
    border-left-color: var(--gk-danger);
    background: var(--gk-danger-bg);
}

.gk-toast-warning {
    border-left-color: var(--gk-warning);
    background: var(--gk-warning-bg);
}

.gk-toast-info {
    border-left-color: var(--gk-info);
    background: var(--gk-info-bg);
}

.gk-toast-icon {
    flex-shrink: 0;
    margin-right: 12px;
    font-size: 18px;
}

.gk-toast-success .gk-toast-icon {
    color: var(--gk-success);
}

.gk-toast-error .gk-toast-icon {
    color: var(--gk-danger);
}

.gk-toast-warning .gk-toast-icon {
    color: var(--gk-warning);
}

.gk-toast-info .gk-toast-icon {
    color: var(--gk-info);
}

.gk-toast-content {
    flex-grow: 1;
    font-size: 14px;
    line-height: 1.5;
    color: var(--gk-text);
}

.gk-toast-close {
    flex-shrink: 0;
    margin-left: 12px;
    padding: 0;
    background: none;
    border: none;
    color: var(--gk-text-secondary);
    cursor: pointer;
    font-size: 14px;
    opacity: 0.6;
    transition: opacity var(--gk-transition);
}

.gk-toast-close:hover {
    opacity: 1;
}

/* ============================================
   BUTTON ENHANCEMENTS
   ============================================ */
.btn {
    font-weight: 500;
    transition: all var(--gk-transition);
    border-radius: var(--gk-radius-sm);
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.25);
}

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

.btn-primary:hover {
    background-color: var(--gk-primary-hover);
    border-color: var(--gk-primary-hover);
}

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

.btn-danger {
    background-color: var(--gk-danger);
    border-color: var(--gk-danger);
}

.btn-warning {
    background-color: var(--gk-warning);
    border-color: var(--gk-warning);
    color: #202124;
}

/* Loading state */
.gk-btn-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.8;
}

.gk-btn-loading .spinner-border {
    width: 1em;
    height: 1em;
}

/* ============================================
   ALERT ENHANCEMENTS
   ============================================ */
.alert {
    border-radius: var(--gk-radius);
    border: none;
    border-left: 4px solid;
}

.alert-success {
    background-color: var(--gk-success-bg);
    border-left-color: var(--gk-success);
    color: #0d5524;
}

.alert-danger {
    background-color: var(--gk-danger-bg);
    border-left-color: var(--gk-danger);
    color: #a12620;
}

.alert-warning {
    background-color: var(--gk-warning-bg);
    border-left-color: var(--gk-warning);
    color: #8a6d00;
}

.alert-info {
    background-color: var(--gk-info-bg);
    border-left-color: var(--gk-info);
    color: #0d4ea3;
}

.alert .btn-close {
    opacity: 0.5;
}

.alert .btn-close:hover {
    opacity: 1;
}

/* ============================================
   FORM ENHANCEMENTS
   ============================================ */
.form-control:focus,
.form-select:focus {
    border-color: var(--gk-primary);
    box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    border-color: var(--gk-danger);
    box-shadow: 0 0 0 3px rgba(217, 48, 37, 0.15);
}

/* ============================================
   CARD ENHANCEMENTS
   ============================================ */
.card {
    border: 1px solid var(--gk-border);
    border-radius: var(--gk-radius);
    box-shadow: 0 1px 3px var(--gk-shadow);
}

.card-header {
    background-color: #f8f9fa;
    border-bottom: 1px solid var(--gk-border);
    font-weight: 600;
}

/* ============================================
   TABLE ENHANCEMENTS
   ============================================ */
.table {
    margin-bottom: 0;
}

.table thead th {
    background-color: #f8f9fa;
    border-bottom: 2px solid var(--gk-border);
    font-weight: 600;
    color: var(--gk-text-secondary);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table-hover tbody tr:hover {
    background-color: rgba(26, 115, 232, 0.04);
}

/* ============================================
   BADGE ENHANCEMENTS
   ============================================ */
.badge {
    font-weight: 500;
    padding: 0.35em 0.65em;
    border-radius: var(--gk-radius-sm);
}

.badge.bg-success {
    background-color: var(--gk-success) !important;
}

.badge.bg-danger {
    background-color: var(--gk-danger) !important;
}

.badge.bg-warning {
    background-color: var(--gk-warning) !important;
    color: #202124 !important;
}

.badge.bg-info {
    background-color: var(--gk-info) !important;
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: inherit;
}

.loading-spinner {
    text-align: center;
    padding: 40px;
    color: var(--gk-text-secondary);
}

.loading-spinner i {
    font-size: 24px;
    color: var(--gk-primary);
}

/* ============================================
   RESPONSIVE TOAST
   ============================================ */
@media (max-width: 576px) {
    .gk-toast-container {
        left: 10px;
        right: 10px;
        max-width: none;
    }

    .gk-toast {
        transform: translateY(-120%);
    }

    .gk-toast-show {
        transform: translateY(0);
    }

    .gk-toast-hide {
        transform: translateY(-120%);
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.cursor-pointer {
    cursor: pointer;
}

.text-truncate-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.hover-shadow:hover {
    box-shadow: 0 4px 12px var(--gk-shadow);
}

/* Smooth transitions for interactive elements */
a, button, .btn, .card, .form-control, .form-select {
    transition: all var(--gk-transition);
}