/**
 * FOTOFERIA - DESIGN SYSTEM
 * Modern CSS Variables & Utilities
 * Mobile-First Approach
 */

/* ============================================================================
   CSS VARIABLES - Color Palette
   ============================================================================ */

:root {
    /* Primary Colors - Fotoferia Brand */
    --color-primary: #B00303;
    --color-primary-dark: #680A0B;
    --color-primary-light: #960303;
    --color-primary-hover: #861610;
    
    /* Background Colors */
    --bg-body: #0F0F0F;
    --bg-page: #0F0F0F;
    --bg-menu: #333333;
    --bg-menu-gradient-start: #861610;
    --bg-menu-gradient-end: #4D0F0E;
    --bg-usermenu: rgb(31,32,33);
    --bg-usermenu-gradient: rgb(49,50,51);
    --bg-card: #171717;
    --bg-hover: #202020;
    
    /* Text Colors */
    --text-primary: #A8A8A8;
    --text-secondary: #7f7f7f;
    --text-light: #e1e1e1;
    --text-white: #ffffff;
    --text-muted: #7F7F7F;
    
    /* Border Colors */
    --border-color: #242222;
    --border-light: #ab1d17;
    --border-dark: #670b0c;
    
    /* Shadow */
    --shadow-sm: 0px 0px 10px rgba(0, 0, 0, 0.5);
    --shadow-md: 0px 5px 5px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 1px 3px rgba(0, 0, 0, 0.5);
    
    /* Spacing (8px grid) - Mobile First */
    --space-1: 0.25rem;   /* 4px */
    --space-2: 0.5rem;    /* 8px */
    --space-3: 0.75rem;   /* 12px */
    --space-4: 1rem;      /* 16px */
    --space-5: 1.25rem;   /* 20px */
    --space-6: 1.5rem;    /* 24px */
    --space-8: 2rem;      /* 32px */
    --space-10: 2.5rem;   /* 40px */
    --space-12: 3rem;     /* 48px */
    
    /* Border Radius */
    --radius-sm: 3px;
    --radius-md: 4px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;
    
    /* Layout */
    --page-width: 100%;
    --page-max-width: 1030px;
    --usermenu-height: 40px;
    --mainmenu-height: 44px;
    
    /* Z-index */
    --z-base: 1;
    --z-menu: 2;
    --z-dropdown: 100;
    --z-fixed: 1000;
    --z-modal: 1050;
}

/* ============================================================================
   MOBILE-FIRST BREAKPOINTS
   ============================================================================ */

/* Mobile: default (0-767px) */
/* Tablet: 768px+ */
/* Desktop: 1024px+ */

@media (min-width: 768px) {
    :root {
        --page-width: 1030px;
    }
}

@media (min-width: 1024px) {
    :root {
        --page-width: 1030px;
    }
}

/* ============================================================================
   MODERN UTILITIES - Flexbox/Grid
   ============================================================================ */

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-row {
    flex-direction: row;
}

.flex-wrap {
    flex-wrap: wrap;
}

.flex-nowrap {
    flex-wrap: nowrap;
}

.items-center {
    align-items: center;
}

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.justify-around {
    justify-content: space-around;
}

.justify-start {
    justify-content: flex-start;
}

.justify-end {
    justify-content: flex-end;
}

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid Utilities */
.grid {
    display: grid;
}

.grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (min-width: 768px) {
    .md\:grid-cols-2 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .md\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .md\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
}

@media (min-width: 1024px) {
    .lg\:grid-cols-3 {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }
    
    .lg\:grid-cols-5 {
        grid-template-columns: repeat(5, minmax(0, 1fr));
    }
}

/* ============================================================================
   MODERN LAYOUT - Replace Tables with Flexbox/Grid
   ============================================================================ */

/* Gallery Grid - Replace table layout */
.gallery,
.newgallery,
.image_list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-4);
    padding: var(--space-4);
}

@media (max-width: 767px) {
    .gallery,
    .newgallery,
    .image_list {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-2);
        padding: var(--space-2);
    }
}

@media (min-width: 1024px) {
    .gallery,
    .newgallery,
    .image_list {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
}

/* Photo Card - Modern Card Layout */
.photo {
    display: flex;
    flex-direction: column;
    background-color: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-3);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.photo:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.photo-link {
    display: block;
    flex: 1;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.photo img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-lg);
}

.photo .title,
.photo .stats,
.photo .date {
    margin-top: var(--space-2);
    font-size: 0.875rem;
    color: var(--text-primary);
}

/* Menu - Flexbox instead of float */
.menu ul {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: var(--space-2);
}

.menu .menuitem {
    position: relative;
}

.menu .menuitem-right {
    margin-left: auto;
}

/* ============================================================================
   REMOVE LEGACY STYLES
   ============================================================================ */

/* Remove float-based layouts */
.legacy-float {
    /* Deprecated - use flexbox/grid instead */
}

/* Modern clearfix - use flexbox/grid instead */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}

/* Modern alternative - use flexbox container */
.flex-container {
    display: flex;
    flex-wrap: wrap;
}

/* ============================================================================
   RESPONSIVE UTILITIES
   ============================================================================ */

/* Mobile-first: hide on mobile, show on desktop */
.mobile-only {
    display: block;
}

.desktop-only {
    display: none;
}

@media (min-width: 768px) {
    .mobile-only {
        display: none;
    }
    
    .desktop-only {
        display: block;
    }
}

/* ============================================================================
   MODERN BUTTONS - Using Variables
   ============================================================================ */

button,
a.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-white);
    background: linear-gradient(to bottom, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border: 1px solid var(--color-primary-dark);
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.5);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset;
    transition: all var(--transition-base);
}

button:hover,
a.button:hover {
    background: linear-gradient(to bottom, var(--color-primary-light) 0%, var(--color-primary-dark) 100%);
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.35) inset, 0 1px 3px rgba(0, 0, 0, 0.5);
    transform: translateY(-1px);
}

button:active,
a.button:active {
    transform: translateY(0);
}

button.disabled,
a.button.disabled {
    background: linear-gradient(to bottom, #595959 0%, #3E3E3E 100%);
    border-color: #3E3E3E;
    cursor: not-allowed;
    opacity: 0.6;
}

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

input[type="text"],
input[type="password"],
input[type="email"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
    color: var(--text-primary);
    background-color: #EFEFEF;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(176, 3, 3, 0.1);
}

/* ============================================================================
   ACCESSIBILITY
   ============================================================================ */

/* Focus indicators */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --text-primary: #ffffff;
        --bg-body: #000000;
        --border-color: #ffffff;
    }
}