/* ========================================
   LkDx Global Styles - CarEdit Personal Cabinet
   ======================================== */

/* CSS Variables for consistent theming */
:root {
    /* Primary Colors - CarEdit Orange Theme */
    --primary-color: #FF6B35;
    --primary-hover: #E55A2B;
    --primary-light: #FFE8E0;
    
    /* Secondary Colors */
    --secondary-color: #6c757d;
    --secondary-hover: #545b62;
    --secondary-light: #f8f9fa;
    
    /* Success Colors */
    --success-color: #28a745;
    --success-hover: #1e7e34;
    --success-light: #d4edda;
    
    /* Warning Colors */
    --warning-color: #ffc107;
    --warning-hover: #e0a800;
    --warning-light: #fff3cd;
    
    /* Danger Colors */
    --danger-color: #dc3545;
    --danger-hover: #c82333;
    --danger-light: #f8d7da;
    
    /* Info Colors */
    --info-color: #17a2b8;
    --info-hover: #138496;
    --info-light: #d1ecf1;
    
    /* Neutral Colors */
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --white: #ffffff;
    --black: #000000;
    
    /* Text Colors */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #868e96;
    --text-light: #adb5bd;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-dark: #343a40;
    --bg-light: #f8f9fa;
    
    /* Border Colors */
    --border-color: #dee2e6;
    --border-light: #e9ecef;
    --border-dark: #adb5bd;
    
    /* Shadows */
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-xl: 1rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* Z-Index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* ========================================
   Base Styles
   ======================================== */

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    margin: 0;
    padding: 0;
}

/* ========================================
   Typography
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
}

.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-light { color: var(--text-light) !important; }

/* ========================================
   Layout Components
   ======================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-fluid {
    width: 100%;
    padding: 0 var(--spacing-md);
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(var(--spacing-sm) * -1);
}

.col {
    flex: 1 0 0%;
    padding: 0 var(--spacing-sm);
}

.col-12 { flex: 0 0 100%; max-width: 100%; }
.col-11 { flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-10 { flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-9 { flex: 0 0 75%; max-width: 75%; }
.col-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-6 { flex: 0 0 50%; max-width: 50%; }
.col-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-3 { flex: 0 0 25%; max-width: 25%; }
.col-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-1 { flex: 0 0 8.333333%; max-width: 8.333333%; }

/* ========================================
   Cards
   ======================================== */

.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: var(--bg-primary);
    background-clip: border-box;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast);
}

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

.card-header {
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: 0;
    background-color: var(--bg-light);
    border-bottom: 1px solid var(--border-color);
    border-top-left-radius: calc(var(--border-radius) - 1px);
    border-top-right-radius: calc(var(--border-radius) - 1px);
}

.card-body {
    flex: 1 1 auto;
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    border-bottom-left-radius: calc(var(--border-radius) - 1px);
    border-bottom-right-radius: calc(var(--border-radius) - 1px);
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    background-color: transparent;
    border: 1px solid transparent;
    padding: 0.375rem 0.75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: var(--border-radius);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

.btn:focus {
    outline: 0;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

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

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

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

.btn-secondary:hover {
    color: var(--white);
    background-color: var(--secondary-hover);
    border-color: var(--secondary-hover);
}

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

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

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

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

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

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

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

.btn-info:hover {
    color: var(--white);
    background-color: var(--info-hover);
    border-color: var(--info-hover);
}

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

.btn-light:hover {
    color: var(--text-primary);
    background-color: #e2e6ea;
    border-color: #dae0e5;
}

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

.btn-dark:hover {
    color: var(--white);
    background-color: #23272b;
    border-color: #1d2124;
}

/* ========================================
   Status Indicators
   ======================================== */

.status-success {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--success-light);
    color: var(--success-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
}

.status-warning {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--warning-light);
    color: var(--warning-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
}

.status-danger {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--danger-light);
    color: var(--danger-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
}

.status-info {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--info-light);
    color: var(--info-color);
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 500;
}

/* ========================================
   Loading States
   ======================================== */

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    text-align: center;
}

.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: text-bottom;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to { transform: rotate(360deg); }
}

/* ========================================
   Icons (Font Awesome compatible)
   ======================================== */

.icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: middle;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

.icon-check::before { content: "✓"; }
.icon-warning::before { content: "⚠"; }
.icon-info::before { content: "ℹ"; }
.icon-google::before { content: "G"; }
.icon-telegram::before { content: "T"; }
.icon-chart::before { content: "📊"; }
.icon-social::before { content: "👥"; }
.icon-news::before { content: "📰"; }
.icon-activity::before { content: "⚡"; }
.icon-file::before { content: "📁"; }
.icon-calendar::before { content: "📅"; }
.icon-clock::before { content: "🕐"; }
.icon-upload::before { content: "⬆"; }
.icon-download::before { content: "⬇"; }
.icon-edit::before { content: "✏"; }
.icon-convert::before { content: "🔄"; }
.icon-share::before { content: "🔗"; }
.icon-bookmark::before { content: "🔖"; }

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .row {
        margin: 0;
    }
    
    .col {
        padding: 0;
        margin-bottom: var(--spacing-md);
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .card-body {
        padding: var(--spacing-md);
    }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 var(--spacing-xs);
    }
    
    h1 { font-size: 1.75rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.25rem; }
    
    .card-body {
        padding: var(--spacing-sm);
    }
}

/* ========================================
   Utility Classes
   ======================================== */

.d-flex { display: flex !important; }
.d-block { display: block !important; }
.d-inline { display: inline !important; }
.d-inline-block { display: inline-block !important; }
.d-none { display: none !important; }

.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }
.justify-content-around { justify-content: space-around !important; }

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

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

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

.p-0 { padding: 0 !important; }
.p-1 { padding: var(--spacing-xs) !important; }
.p-2 { padding: var(--spacing-sm) !important; }
.p-3 { padding: var(--spacing-md) !important; }
.p-4 { padding: var(--spacing-lg) !important; }
.p-5 { padding: var(--spacing-xl) !important; }

.rounded { border-radius: var(--border-radius) !important; }
.rounded-sm { border-radius: var(--border-radius-sm) !important; }
.rounded-lg { border-radius: var(--border-radius-lg) !important; }
.rounded-xl { border-radius: var(--border-radius-xl) !important; }

.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }

.w-100 { width: 100% !important; }
.h-100 { height: 100% !important; }

/* ========================================
   Animation Classes
   ======================================== */

.fade-in {
    animation: fadeIn var(--transition-normal) ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.slide-in {
    animation: slideIn var(--transition-normal) ease-out;
}

@keyframes slideIn {
    from { transform: translateX(-100%); }
    to { transform: translateX(0); }
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}