/**
 * Ice Arena Design System - Responsive v2
 * Mobile-first responsive utilities and breakpoint system
 *
 * Breakpoint Strategy:
 * - Base styles = Mobile (< 640px)
 * - sm: min-width: 640px  - Large phones, small tablets
 * - md: min-width: 768px  - Tablets
 * - lg: min-width: 1024px - Desktops
 * - xl: min-width: 1280px - Large desktops
 * - 2xl: min-width: 1536px - Extra large desktops
 *
 * Version: 2.0
 * Date: November 2025
 */

/* =========================================
   RESPONSIVE CONTAINER SYSTEM
   ========================================= */

.container {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

@media (min-width: 640px) {
    .container {
        padding-left: var(--space-5);
        padding-right: var(--space-5);
        max-width: 640px;
    }
}

@media (min-width: 768px) {
    .container {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
        max-width: 768px;
    }
}

@media (min-width: 1024px) {
    .container {
        max-width: 1024px;
    }
}

@media (min-width: 1280px) {
    .container {
        max-width: 1200px;
    }
}

@media (min-width: 1536px) {
    .container {
        max-width: 1400px;
    }
}

/* Full-width container variant */
.container-fluid {
    width: 100%;
    padding-left: var(--space-4);
    padding-right: var(--space-4);
}

@media (min-width: 768px) {
    .container-fluid {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }
}

/* Narrow container for content-focused pages */
.container-narrow {
    max-width: 720px;
}

/* Wide container for dashboards */
.container-wide {
    max-width: 1400px;
}

@media (min-width: 1536px) {
    .container-wide {
        max-width: 1600px;
    }
}

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

/* Gap modifiers that scale with viewport */
.gap-responsive {
    gap: var(--space-3);
}

@media (min-width: 640px) {
    .gap-responsive {
        gap: var(--space-4);
    }
}

@media (min-width: 768px) {
    .gap-responsive {
        gap: var(--space-5);
    }
}

@media (min-width: 1024px) {
    .gap-responsive {
        gap: var(--space-6);
    }
}

/* Row gap responsive */
.row-gap-responsive {
    row-gap: var(--space-4);
}

@media (min-width: 768px) {
    .row-gap-responsive {
        row-gap: var(--space-6);
    }
}

/* Column gap responsive */
.col-gap-responsive {
    column-gap: var(--space-3);
}

@media (min-width: 768px) {
    .col-gap-responsive {
        column-gap: var(--space-5);
    }
}

/* Padding responsive */
.p-responsive {
    padding: var(--space-3);
}

@media (min-width: 640px) {
    .p-responsive {
        padding: var(--space-4);
    }
}

@media (min-width: 1024px) {
    .p-responsive {
        padding: var(--space-6);
    }
}

.px-responsive {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
}

@media (min-width: 640px) {
    .px-responsive {
        padding-left: var(--space-4);
        padding-right: var(--space-4);
    }
}

@media (min-width: 1024px) {
    .px-responsive {
        padding-left: var(--space-6);
        padding-right: var(--space-6);
    }
}

.py-responsive {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .py-responsive {
        padding-top: var(--space-6);
        padding-bottom: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .py-responsive {
        padding-top: var(--space-8);
        padding-bottom: var(--space-8);
    }
}

/* Section spacing */
.section-responsive {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
}

@media (min-width: 768px) {
    .section-responsive {
        padding-top: var(--space-12);
        padding-bottom: var(--space-12);
    }
}

@media (min-width: 1024px) {
    .section-responsive {
        padding-top: var(--space-16);
        padding-bottom: var(--space-16);
    }
}

/* Margin responsive */
.mb-responsive {
    margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
    .mb-responsive {
        margin-bottom: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .mb-responsive {
        margin-bottom: var(--space-8);
    }
}

.mt-responsive {
    margin-top: var(--space-4);
}

@media (min-width: 768px) {
    .mt-responsive {
        margin-top: var(--space-6);
    }
}

@media (min-width: 1024px) {
    .mt-responsive {
        margin-top: var(--space-8);
    }
}

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

/* Hide on mobile, show on larger screens */
.hide-mobile {
    display: none !important;
}

@media (min-width: 640px) {
    .hide-mobile {
        display: block !important;
    }
}

.hide-mobile-flex {
    display: none !important;
}

@media (min-width: 640px) {
    .hide-mobile-flex {
        display: flex !important;
    }
}

.hide-mobile-inline {
    display: none !important;
}

@media (min-width: 640px) {
    .hide-mobile-inline {
        display: inline !important;
    }
}

/* Show on mobile, hide on larger screens */
.show-mobile {
    display: block !important;
}

@media (min-width: 640px) {
    .show-mobile {
        display: none !important;
    }
}

.show-mobile-flex {
    display: flex !important;
}

@media (min-width: 640px) {
    .show-mobile-flex {
        display: none !important;
    }
}

.show-mobile-inline {
    display: inline !important;
}

@media (min-width: 640px) {
    .show-mobile-inline {
        display: none !important;
    }
}

/* Hide on tablet only (768px - 1023px) */
.hide-tablet {
    display: block;
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hide-tablet {
        display: none !important;
    }
}

/* Show on tablet only */
.show-tablet {
    display: none !important;
}

@media (min-width: 768px) and (max-width: 1023px) {
    .show-tablet {
        display: block !important;
    }
}

/* Hide on desktop (1024px+) */
.hide-desktop {
    display: block;
}

@media (min-width: 1024px) {
    .hide-desktop {
        display: none !important;
    }
}

/* Show on desktop only */
.show-desktop {
    display: none !important;
}

@media (min-width: 1024px) {
    .show-desktop {
        display: block !important;
    }
}

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

/* Column on mobile, row on larger screens */
.flex-col-mobile {
    display: flex;
    flex-direction: column;
}

@media (min-width: 640px) {
    .flex-col-mobile {
        flex-direction: row;
    }
}

/* Column on mobile/tablet, row on desktop */
.flex-col-tablet {
    display: flex;
    flex-direction: column;
}

@media (min-width: 1024px) {
    .flex-col-tablet {
        flex-direction: row;
    }
}

/* Reverse column on mobile */
.flex-col-reverse-mobile {
    display: flex;
    flex-direction: column-reverse;
}

@media (min-width: 640px) {
    .flex-col-reverse-mobile {
        flex-direction: row;
    }
}

/* Wrap on mobile */
.flex-wrap-mobile {
    flex-wrap: wrap;
}

@media (min-width: 768px) {
    .flex-wrap-mobile {
        flex-wrap: nowrap;
    }
}

/* Center on mobile, start on larger */
.justify-center-mobile {
    justify-content: center;
}

@media (min-width: 640px) {
    .justify-center-mobile {
        justify-content: flex-start;
    }
}

/* Space between on larger screens */
.justify-between-desktop {
    justify-content: center;
}

@media (min-width: 1024px) {
    .justify-between-desktop {
        justify-content: space-between;
    }
}

/* =========================================
   RESPONSIVE GRID SYSTEM
   ========================================= */

/* 1 column mobile → 2 columns tablet → 3 columns desktop */
.grid-responsive-1 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .grid-responsive-1 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-responsive-1 {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-6);
    }
}

/* 1 column mobile → 2 columns tablet → 4 columns desktop */
.grid-responsive-2 {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .grid-responsive-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-responsive-2 {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--space-6);
    }
}

/* 1 column mobile → 3 columns tablet → 6 columns desktop (stats grid) */
.grid-responsive-3 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-3);
}

@media (min-width: 640px) {
    .grid-responsive-3 {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--space-4);
    }
}

@media (min-width: 1024px) {
    .grid-responsive-3 {
        grid-template-columns: repeat(6, 1fr);
        gap: var(--space-5);
    }
}

/* Sidebar layout: full width mobile → sidebar desktop */
.grid-sidebar {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 1024px) {
    .grid-sidebar {
        grid-template-columns: 280px 1fr;
        gap: var(--space-8);
    }
}

/* Sidebar right variant */
.grid-sidebar-right {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
}

@media (min-width: 1024px) {
    .grid-sidebar-right {
        grid-template-columns: 1fr 320px;
        gap: var(--space-8);
    }
}

/* Auto-fit grids with responsive minimums */
.grid-auto-sm {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .grid-auto-sm {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: var(--space-5);
    }
}

.grid-auto-md {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .grid-auto-md {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--space-5);
    }
}

@media (min-width: 1024px) {
    .grid-auto-md {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: var(--space-6);
    }
}

.grid-auto-lg {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .grid-auto-lg {
        grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
        gap: var(--space-6);
    }
}

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

/* Text alignment responsive */
.text-center-mobile {
    text-align: center;
}

@media (min-width: 640px) {
    .text-center-mobile {
        text-align: left;
    }
}

.text-left-desktop {
    text-align: center;
}

@media (min-width: 1024px) {
    .text-left-desktop {
        text-align: left;
    }
}

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

/* Full width on mobile, auto on larger */
.w-full-mobile {
    width: 100%;
}

@media (min-width: 640px) {
    .w-full-mobile {
        width: auto;
    }
}

/* Full width on mobile/tablet, auto on desktop */
.w-full-tablet {
    width: 100%;
}

@media (min-width: 1024px) {
    .w-full-tablet {
        width: auto;
    }
}

/* Max width constraints responsive */
.max-w-prose {
    max-width: 100%;
}

@media (min-width: 768px) {
    .max-w-prose {
        max-width: 65ch;
    }
}

/* =========================================
   MOBILE NAVIGATION PATTERN (Dropdown)
   ========================================= */

/* Mobile Navigation Toggle Button */
.nav-mobile-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    padding: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: white;
    cursor: pointer;
    transition: background-color var(--duration-fast) var(--ease-out);
}

.nav-mobile-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.nav-mobile-toggle:focus-visible {
    outline: 2px solid var(--ice-500);
    outline-offset: 2px;
}

/* Hamburger icon */
.nav-mobile-toggle .hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 20px;
    height: 16px;
}

.nav-mobile-toggle .hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: currentColor;
    border-radius: 1px;
    transition: transform var(--duration-fast) var(--ease-out),
                opacity var(--duration-fast) var(--ease-out);
}

.nav-mobile-toggle .hamburger span:nth-child(1) {
    transform-origin: center;
}

.nav-mobile-toggle .hamburger span:nth-child(2) {
    margin: 4px 0;
}

.nav-mobile-toggle .hamburger span:nth-child(3) {
    transform-origin: center;
}

/* Hamburger to X animation */
.nav-mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

.nav-mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(2) {
    opacity: 0;
}

.nav-mobile-toggle[aria-expanded="true"] .hamburger span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

/* Hide toggle on desktop */
@media (min-width: 768px) {
    .nav-mobile-toggle {
        display: none;
    }
}

/* Mobile Navigation Dropdown */
.nav-mobile {
    position: relative;
}

.nav-mobile .nav-list {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--rink-900);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-xl);
    z-index: 100;
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-normal) var(--ease-out);
}

.nav-mobile .nav-list.is-open {
    display: flex;
    max-height: 80vh;
    overflow-y: auto;
}

.nav-mobile .nav-list .nav-link {
    padding: var(--space-4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    justify-content: flex-start;
}

.nav-mobile .nav-list .nav-link:last-child {
    border-bottom: none;
}

/* Desktop: Horizontal navigation */
@media (min-width: 768px) {
    .nav-mobile .nav-list {
        display: flex;
        flex-direction: row;
        position: static;
        max-height: none;
        background: transparent;
        border: none;
        box-shadow: none;
        overflow: visible;
    }

    .nav-mobile .nav-list .nav-link {
        padding: var(--space-4) var(--space-5);
        border-bottom: none;
    }
}

/* =========================================
   RESPONSIVE HEADER ADJUSTMENTS
   ========================================= */

.header-responsive .header-top {
    flex-direction: column;
    gap: var(--space-3);
}

@media (min-width: 640px) {
    .header-responsive .header-top {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
        align-items: center;
    }
}

@media (min-width: 768px) {
    .header-responsive .header-top {
        flex-wrap: nowrap;
    }
}

.header-responsive .search-bar {
    width: 100%;
    order: 3;
}

@media (min-width: 768px) {
    .header-responsive .search-bar {
        width: auto;
        flex: 1;
        max-width: 480px;
        order: 0;
    }
}

.header-responsive .header-actions {
    order: 2;
}

@media (min-width: 768px) {
    .header-responsive .header-actions {
        order: 0;
    }
}

/* =========================================
   RESPONSIVE FOOTER ADJUSTMENTS
   ========================================= */

.footer-responsive .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: center;
}

@media (min-width: 640px) {
    .footer-responsive .footer-grid {
        grid-template-columns: repeat(2, 1fr);
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .footer-responsive .footer-grid {
        grid-template-columns: 2fr repeat(3, 1fr);
        gap: var(--space-10);
    }
}

.footer-responsive .footer-brand {
    grid-column: 1 / -1;
}

@media (min-width: 640px) {
    .footer-responsive .footer-brand {
        grid-column: span 2;
    }
}

@media (min-width: 1024px) {
    .footer-responsive .footer-brand {
        grid-column: span 1;
    }
}

.footer-responsive .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
}

@media (min-width: 640px) {
    .footer-responsive .footer-bottom {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

/* =========================================
   TOUCH TARGET OPTIMIZATION
   ========================================= */

/* Ensure minimum touch target size on mobile */
@media (max-width: 767px) {
    .touch-target,
    button,
    [role="button"],
    a.btn,
    .nav-link,
    .icon-btn {
        min-height: 44px;
        min-width: 44px;
    }

    /* Add padding to small interactive elements */
    .touch-target-pad {
        padding: var(--space-3);
    }
}

/* =========================================
   RESPONSIVE ASPECT RATIOS
   ========================================= */

/* Card images: taller on mobile for better visibility */
.aspect-card {
    aspect-ratio: 4 / 3;
}

@media (min-width: 768px) {
    .aspect-card {
        aspect-ratio: 16 / 10;
    }
}

/* Hero images: square on mobile, wide on desktop */
.aspect-hero {
    aspect-ratio: 1 / 1;
}

@media (min-width: 640px) {
    .aspect-hero {
        aspect-ratio: 16 / 9;
    }
}

@media (min-width: 1024px) {
    .aspect-hero {
        aspect-ratio: 21 / 9;
    }
}

/* =========================================
   RESPONSIVE SCROLL BEHAVIOR
   ========================================= */

/* Horizontal scroll container for mobile */
.scroll-x-mobile {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.scroll-x-mobile::-webkit-scrollbar {
    display: none;
}

@media (min-width: 768px) {
    .scroll-x-mobile {
        overflow-x: visible;
    }
}

/* Snap scroll for carousels */
.scroll-snap-x {
    scroll-snap-type: x mandatory;
}

.scroll-snap-x > * {
    scroll-snap-align: start;
}

/* =========================================
   REDUCED MOTION
   ========================================= */

@media (prefers-reduced-motion: reduce) {
    .nav-mobile .nav-list,
    .nav-mobile-toggle .hamburger span {
        transition: none;
    }
}

/* =========================================
   PRINT STYLES
   ========================================= */

@media print {
    .hide-mobile,
    .show-mobile,
    .nav-mobile-toggle,
    .hide-desktop,
    .show-desktop {
        display: block !important;
    }

    .container {
        max-width: 100%;
        padding: 0;
    }
}