/*
 * FROSH Global CSS Framework
 * Multi-Tenant SaaS Platform Styles
 * Version: 2.0
 * 
 * This file provides global styles for all FROSH tenant interfaces
 * maintaining consistent branding, security, and user experience.
 */

/* ===== CSS VARIABLES ===== */
:root {
    /* FROSH Brand Colors */
    --frosh-black: #000000;
    --frosh-dark: #1a1a1a;
    --frosh-gray-900: #111827;
    --frosh-gray-800: #1f2937;
    --frosh-gray-700: #374151;
    --frosh-gray-600: #4b5563;
    --frosh-gray-500: #6b7280;
    --frosh-gray-400: #9ca3af;
    --frosh-gray-300: #d1d5db;
    --frosh-gray-200: #e5e7eb;
    --frosh-gray-100: #f3f4f6;
    --frosh-gray-50: #f9fafb;
    
    /* Marketing Approved Colors */
    --report-warning: #D3AF37;   /* Gold */
    --report-info: #274AB3;      /* Deep Blue */
    --report-success: #10b981;   /* Green */
    --report-danger: #ef4444;    /* Red */
    
    /* Content Colors */
    --content-bg: #ffffff;
    --content-bg-alt: #fafbfc;
    --content-border: #e5e7eb;
    --content-text: #111827;
    --content-text-muted: #6b7280;
    
    /* Layout */
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-sm: 8px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Z-index scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ===== GLOBAL RESET ===== */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    line-height: 1.15;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--content-text);
    background-color: var(--frosh-gray-50);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===== FROSH BUTTON SYSTEM ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    margin-bottom: 0;
    font-size: 1rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: center;
    text-decoration: none;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn:focus {
    outline: 0;
    box-shadow: 0 0 0 3px rgba(31, 41, 55, 0.25);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Primary FROSH Buttons */
.btn-frosh-primary {
    background: var(--frosh-black);
    border-color: var(--frosh-black);
    color: white;
    font-weight: 600;
}

.btn-frosh-primary:hover:not(:disabled) {
    background: var(--frosh-dark);
    border-color: var(--frosh-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-outline-frosh-primary {
    background: transparent;
    border-color: var(--frosh-black);
    color: var(--frosh-black);
    font-weight: 600;
}

.btn-outline-frosh-primary:hover:not(:disabled) {
    background: var(--frosh-black);
    border-color: var(--frosh-black);
    color: white;
    transform: translateY(-1px);
}

/* Marketing Color Buttons */
.btn-report-warning {
    background: var(--report-warning);
    border-color: var(--report-warning);
    color: white;
    font-weight: 600;
}

.btn-report-warning:hover:not(:disabled) {
    background: #b8941f;
    border-color: #b8941f;
    color: white;
    transform: translateY(-1px);
}

.btn-report-info {
    background: var(--report-info);
    border-color: var(--report-info);
    color: white;
    font-weight: 600;
}

.btn-report-info:hover:not(:disabled) {
    background: #1e3a8a;
    border-color: #1e3a8a;
    color: white;
    transform: translateY(-1px);
}

.btn-report-success {
    background: var(--report-success);
    border-color: var(--report-success);
    color: white;
    font-weight: 600;
}

.btn-report-success:hover:not(:disabled) {
    background: #059669;
    border-color: #059669;
    color: white;
    transform: translateY(-1px);
}

/* Button Sizes */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
    border-radius: var(--border-radius-sm);
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
    border-radius: var(--border-radius-lg);
}

/* ===== FROSH BADGE SYSTEM ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 6px;
}

.badge-frosh-primary {
    background: var(--frosh-black);
    color: white;
}

.badge-frosh-dark {
    background: var(--frosh-gray-800);
    color: white;
}

.badge-frosh-light {
    background: var(--frosh-gray-200);
    color: var(--frosh-gray-800);
}

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

.badge-report-info {
    background: var(--report-info);
    color: white;
}

.badge-report-success {
    background: var(--report-success);
    color: white;
}
.badge-report-danger {
    background: var(--report-danger);
    color: white;
}

/* ===== FROSH CARD SYSTEM ===== */
.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: var(--content-bg);
    background-clip: border-box;
    border: 1px solid var(--content-border);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.card-header {
    padding: 1rem 1.25rem;
    margin-bottom: 0;
    background-color: var(--frosh-gray-50);
    border-bottom: 1px solid var(--content-border);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.card-body {
    flex: 1 1 auto;
    padding: 1.25rem;
}

.card-footer {
    padding: 0.75rem 1.25rem;
    background-color: var(--frosh-gray-50);
    border-top: 1px solid var(--content-border);
    border-radius: 0 0 var(--border-radius) var(--border-radius);
}

/* ===== FROSH FORM SYSTEM ===== */
.form-control {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--content-text);
    background-color: var(--content-bg);
    background-image: none;
    border: 1px solid var(--content-border);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-control:focus {
    color: var(--content-text);
    background-color: var(--content-bg);
    border-color: var(--report-info);
    outline: 0;
    box-shadow: 0 0 0 3px rgba(39, 74, 179, 0.1);
}

.form-label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--frosh-gray-700);
}

/* ===== FROSH ALERT SYSTEM ===== */
.alert {
    position: relative;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    font-weight: 500;
}

.alert-success {
    color: #166534;
    background-color: #f0fdf4;
    border-color: #bbf7d0;
    border-left: 4px solid var(--report-success);
}

.alert-danger {
    color: #991b1b;
    background-color: #fef2f2;
    border-color: #fecaca;
    border-left: 4px solid var(--report-danger);
}

.alert-warning {
    color: #92400e;
    background-color: #fffbeb;
    border-color: #fed7aa;
    border-left: 4px solid var(--report-warning);
}

.alert-info {
    color: #1e40af;
    background-color: #eff6ff;
    border-color: #bfdbfe;
    border-left: 4px solid var(--report-info);
}

/* ===== FROSH TABLE SYSTEM ===== */
.table {
    width: 100%;
    margin-bottom: 1rem;
    color: var(--content-text);
    vertical-align: top;
    border-color: var(--content-border);
}

.table th,
.table td {
    padding: 0.75rem;
    vertical-align: top;
    border-top: 1px solid var(--content-border);
}

.table thead th {
    vertical-align: bottom;
    border-bottom: 2px solid var(--content-border);
    font-weight: 600;
    color: var(--frosh-gray-700);
    background-color: var(--frosh-gray-50);
}

.table-hover tbody tr:hover {
    background-color: var(--frosh-gray-50);
}

/* ===== FROSH NAVIGATION ===== */
.navbar {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 1rem;
    background-color: var(--frosh-black);
    border-bottom: 2px solid var(--frosh-gray-800);
}

.navbar-brand {
    padding-top: 0.3125rem;
    padding-bottom: 0.3125rem;
    margin-right: 1rem;
    font-size: 1.25rem;
    text-decoration: none;
    white-space: nowrap;
    color: white;
    font-weight: 700;
}

/* ===== FROSH MODAL SYSTEM ===== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-modal);
    display: none;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: 0.5rem;
    pointer-events: none;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: var(--content-bg);
    background-clip: padding-box;
    border: 1px solid var(--content-border);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    outline: 0;
}

.modal-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 1rem;
    border-bottom: 1px solid var(--content-border);
    border-top-left-radius: var(--border-radius-lg);
    border-top-right-radius: var(--border-radius-lg);
    background-color: var(--frosh-gray-50);
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 1rem;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0.75rem;
    border-top: 1px solid var(--content-border);
    border-bottom-right-radius: var(--border-radius-lg);
    border-bottom-left-radius: var(--border-radius-lg);
    background-color: var(--frosh-gray-50);
}

/* ===== SECURITY INDICATORS ===== */
.security-badge {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: var(--z-tooltip);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    background: var(--report-success);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: var(--shadow-md);
    animation: pulse-security 3s infinite;
}

@keyframes pulse-security {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.security-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0.3; }
}

/* ===== LOADING STATES ===== */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ===== UTILITY CLASSES ===== */
.d-none { display: none !important; }
.d-block { display: block !important; }
.d-flex { display: flex !important; }
.d-inline-flex { display: inline-flex !important; }

.justify-content-start { justify-content: flex-start !important; }
.justify-content-end { justify-content: flex-end !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }

.align-items-start { align-items: flex-start !important; }
.align-items-end { align-items: flex-end !important; }
.align-items-center { align-items: center !important; }

.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.text-muted { color: var(--content-text-muted) !important; }
.text-success { color: var(--report-success) !important; }
.text-danger { color: var(--report-danger) !important; }
.text-warning { color: var(--report-warning) !important; }
.text-info { color: var(--report-info) !important; }

.bg-light { background-color: var(--frosh-gray-50) !important; }
.bg-white { background-color: var(--content-bg) !important; }

/* Spacing utilities */
.m-0 { margin: 0 !important; }
.m-1 { margin: 0.25rem !important; }
.m-2 { margin: 0.5rem !important; }
.m-3 { margin: 1rem !important; }
.m-4 { margin: 1.5rem !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }

.me-1 { margin-right: 0.25rem !important; }
.me-2 { margin-right: 0.5rem !important; }
.ms-1 { margin-left: 0.25rem !important; }
.ms-2 { margin-left: 0.5rem !important; }

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 576px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .btn {
        padding: 0.75rem 1rem;
        font-size: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .modal-dialog {
        margin: 0.25rem;
    }
}

@media (max-width: 768px) {
    .table-responsive {
        display: block;
        width: 100%;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
}

/* ===== ACCESSIBILITY ===== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus indicators for keyboard navigation */
.btn:focus-visible,
.form-control:focus-visible,
.nav-link:focus-visible {
    outline: 2px solid var(--report-info);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --content-border: #000000;
        --frosh-gray-300: #666666;
    }
}

/* ===== PRINT STYLES ===== */
@media print {
    .btn,
    .navbar,
    .modal,
    .security-badge {
        display: none !important;
    }
    
    .card {
        border: 1px solid #000 !important;
        box-shadow: none !important;
    }
    
    body {
        background: white !important;
        color: black !important;
    }
}