/**
 * HanxBanx PWA Theme
 * Mobile-First Design with Touch-Friendly Interactions
 * Version 1.0
 */

/* ========================================
   CSS VARIABLES (Custom Properties)
   ======================================== */
:root {
    /* Couleurs principales */
    --primary: #2ecc71;
    --primary-dark: #27ae60;
    --primary-light: #58d68d;
    --secondary: #3498db;
    --accent: #e74c3c;

    /* Couleurs de texte */
    --text-primary: #2c3e50;
    --text-secondary: #7f8c8d;
    --text-light: #95a5a6;
    --text-white: #ffffff;

    /* Couleurs de fond */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #ecf0f1;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    --bg-overlay-light: rgba(0, 0, 0, 0.3);

    /* Bordures */
    --border-color: #e0e0e0;
    --border-color-dark: #bdc3c7;
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 20px;

    /* Ombres */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.3);

    /* Espacements */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    /* Tailles de police */
    --font-xs: 12px;
    --font-sm: 14px;
    --font-md: 16px;
    --font-lg: 18px;
    --font-xl: 24px;
    --font-2xl: 32px;
    --font-3xl: 48px;

    /* Touch targets (minimum 44px pour accessibilité) */
    --touch-target: 52px;
    --touch-target-sm: 44px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Z-index layers */
    --z-base: 0;
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* Hauteurs */
    --header-height: 60px;
    --bottom-nav-height: 60px;
    --safe-area-inset-top: env(safe-area-inset-top, 0);
    --safe-area-inset-bottom: env(safe-area-inset-bottom, 0);
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    font-size: var(--font-md);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-md);
    font-weight: 700;
    line-height: 1.3;
    color: var(--text-primary);
}

h1 { font-size: var(--font-3xl); }
h2 { font-size: var(--font-2xl); }
h3 { font-size: var(--font-xl); }
h4 { font-size: var(--font-lg); }
h5 { font-size: var(--font-md); }
h6 { font-size: var(--font-sm); }

p {
    margin: 0 0 var(--spacing-md);
    line-height: 1.6;
}

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

a:hover, a:focus {
    color: var(--primary-dark);
}

/* ========================================
   BUTTONS (Touch-Friendly)
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--touch-target);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-md);
    font-weight: 600;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-normal);
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    position: relative;
    overflow: hidden;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--primary);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

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

.btn-secondary {
    background: var(--secondary);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

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

.btn-sm {
    min-height: var(--touch-target-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-sm);
}

.btn-lg {
    min-height: 56px;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-lg);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Ripple effect pour les boutons */
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition-normal), height var(--transition-normal);
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

/* ========================================
   CARDS
   ======================================== */
.card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    transition: box-shadow var(--transition-normal);
}

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

.card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: var(--font-lg);
    font-weight: 600;
    margin: 0;
}

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

.card-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

/* ========================================
   FORMS (Touch-Friendly)
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    min-height: var(--touch-target);
    padding: var(--spacing-md);
    font-size: var(--font-md);
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(46, 204, 113, 0.1);
}

.form-control::placeholder {
    color: var(--text-light);
}

.form-control:disabled {
    background: var(--bg-tertiary);
    cursor: not-allowed;
    opacity: 0.6;
}

textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-100%);
    }
    to {
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

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

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

.slide-up {
    animation: slideUp var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
}

.slide-down {
    animation: slideDown var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
}

.scale-in {
    animation: scaleIn var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.bg-primary { background: var(--primary) !important; }
.bg-secondary { background: var(--bg-secondary) !important; }

.m-0 { margin: 0 !important; }
.mt-1 { margin-top: var(--spacing-sm) !important; }
.mt-2 { margin-top: var(--spacing-md) !important; }
.mt-3 { margin-top: var(--spacing-lg) !important; }
.mb-1 { margin-bottom: var(--spacing-sm) !important; }
.mb-2 { margin-bottom: var(--spacing-md) !important; }
.mb-3 { margin-bottom: var(--spacing-lg) !important; }

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

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

.flex-column { flex-direction: column !important; }
.flex-wrap { flex-wrap: wrap !important; }
.align-items-center { align-items: center !important; }
.justify-content-center { justify-content: center !important; }
.justify-content-between { justify-content: space-between !important; }

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

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

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

/* Desktop styles */
@media (min-width: 768px) {
    :root {
        --spacing-md: 20px;
        --spacing-lg: 28px;
        --spacing-xl: 40px;
    }

    .container {
        padding: 0 var(--spacing-xl);
    }
}

/* Hide on mobile */
@media (max-width: 767px) {
    .hide-mobile {
        display: none !important;
    }
}

/* Hide on desktop */
@media (min-width: 768px) {
    .hide-desktop {
        display: none !important;
    }
}

/* ========================================
   SAFE AREA (for notched devices)
   ======================================== */
@supports (padding: max(0px)) {
    body {
        padding-top: max(var(--safe-area-inset-top), 0);
        padding-bottom: max(var(--safe-area-inset-bottom), 0);
    }
}

/* ========================================
   LOADING SPINNER
   ======================================== */
.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

.spinner-lg {
    width: 60px;
    height: 60px;
    border-width: 6px;
}

/* ========================================
   SCROLLBAR STYLING
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color-dark);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
    body {
        background: white;
        color: black;
    }

    .no-print {
        display: none !important;
    }
}