/**
 * StyleCuts Pop Art Theme - Responsive Grid System
 * Mobile-first CSS Grid with comprehensive media queries
 * 
 * Breakpoints:
 * - Mobile: < 576px (default)
 * - Tablet: 576px - 768px
 * - Desktop: 768px - 1024px  
 * - Large Desktop: > 1024px
 * - Extra Large: > 1200px
 */

/* ============================================
   CSS CUSTOM PROPERTIES FOR RESPONSIVE
   ============================================ */
:root {
    --grid-gap-sm: 0.5rem;
    --grid-gap-md: 1rem;
    --grid-gap-lg: 1.5rem;
    --grid-gap-xl: 2rem;
    
    --container-padding: 1rem;
    --content-max-width: 100%;
    
    --nav-height: 60px;
    --bottom-nav-height: 70px;
}

@media (min-width: 576px) {
    :root {
        --container-padding: 1.5rem;
        --content-max-width: 540px;
    }
}

@media (min-width: 768px) {
    :root {
        --container-padding: 2rem;
        --content-max-width: 720px;
        --nav-height: 70px;
    }
}

@media (min-width: 1024px) {
    :root {
        --content-max-width: 960px;
    }
}

@media (min-width: 1200px) {
    :root {
        --content-max-width: 1140px;
    }
}

/* ============================================
   BASE GRID CONTAINER
   ============================================ */
.grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gap-md);
    width: 100%;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   PAGE LAYOUT - MOBILE FIRST
   ============================================ */
.pop-page-container {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    min-height: 100dvh;
    min-height: 100vh; /* Fallback */
    width: 100%;
    padding: var(--container-padding);
    align-items: center;
    justify-items: center;
    gap: var(--grid-gap-md);
}

.dashboard-container {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    min-height: 100dvh;
    min-height: 100vh;
    padding-bottom: var(--bottom-nav-height);
    width: 100%;
}

/* ============================================
   CONTENT AREAS - MOBILE FIRST
   ============================================ */
.pop-content,
.pop-booking-content,
.pop-profile-content,
.pop-appointments-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gap-md);
    width: 100%;
    max-width: var(--content-max-width);
    margin: 0 auto;
    padding: var(--container-padding);
    padding-bottom: calc(var(--bottom-nav-height) + 1rem);
}

/* ============================================
   APP BAR - GRID LAYOUT
   ============================================ */
.pop-app-bar,
.pop-dashboard-bar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: var(--grid-gap-md);
    width: 100%;
    padding: 0.75rem var(--container-padding);
    background: var(--white, #fff);
    border-bottom: 4px solid var(--black, #000);
}

.pop-app-bar-title {
    text-align: center;
    font-size: clamp(0.875rem, 2.5vw, 1.25rem);
    margin: 0;
}

/* ============================================
   HERO SECTION - RESPONSIVE
   ============================================ */
.pop-hero {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gap-md);
    text-align: center;
    padding: var(--grid-gap-lg) var(--container-padding);
    width: 100%;
}

.pop-hero-title {
    font-size: clamp(1.25rem, 4vw, 2.25rem);
    margin: 0 0 0.5rem 0;
}

.pop-hero-subtitle {
    font-size: clamp(0.875rem, 2vw, 1rem);
    margin: 0 0 var(--grid-gap-md) 0;
}

/* ============================================
   SECTIONS - GRID LAYOUT
   ============================================ */
.pop-section {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gap-md);
    padding: var(--container-padding);
    background: var(--white, #fff);
    border-top: 4px solid var(--black, #000);
}

.pop-section-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--grid-gap-sm);
}

/* ============================================
   MENU SECTIONS - PROFILE PAGE
   ============================================ */
.pop-menu-section {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--white, #fff);
    border: 4px solid var(--black, #000);
    margin-bottom: var(--grid-gap-md);
}

.pop-menu-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-bottom: 2px solid #eee;
    cursor: pointer;
    transition: background 0.1s ease;
}

.pop-menu-item:last-child {
    border-bottom: none;
}

.pop-menu-item:hover:not(.no-hover) {
    background: var(--comic-yellow, #ffe000);
}

/* ============================================
   PROFILE CARD - RESPONSIVE
   ============================================ */
.pop-profile-card {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: 0.5rem;
    padding: var(--grid-gap-lg);
    text-align: center;
    background: var(--white, #fff);
    border: 4px solid var(--black, #000);
    box-shadow: 6px 6px 0 0 rgba(0,0,0,1);
    margin-bottom: var(--grid-gap-lg);
}

.pop-profile-avatar {
    width: clamp(70px, 15vw, 100px);
    height: clamp(70px, 15vw, 100px);
    font-size: clamp(2rem, 6vw, 3rem);
    display: grid;
    place-items: center;
    background: var(--primary, #eb3333);
    border: 4px solid var(--black, #000);
    color: var(--white, #fff);
    font-weight: 800;
}

/* ============================================
   APPOINTMENT CARDS - RESPONSIVE GRID
   ============================================ */
.pop-appointments-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gap-md);
    padding: var(--container-padding);
}

.pop-appointment-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--white, #fff);
    border: 4px solid var(--black, #000);
    box-shadow: 6px 6px 0 0 rgba(0,0,0,1);
    cursor: pointer;
    transition: all 0.1s ease;
}

.pop-appointment-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.5rem;
}

.pop-appointment-details {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 0.75rem;
}

.pop-appointment-time {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.5rem;
    padding-top: 0.75rem;
    border-top: 2px solid var(--black, #000);
}

/* Quick Actions - Stack on mobile, row on larger */
.pop-quick-actions {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 2px solid var(--black, #000);
}

/* ============================================
   BARBER CARDS - RESPONSIVE
   ============================================ */
.pop-barbers-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gap-md);
}

.pop-barber-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--white, #fff);
    border: 4px solid var(--black, #000);
    box-shadow: 4px 4px 0 0 rgba(0,0,0,1);
    cursor: pointer;
    transition: all 0.1s ease;
}

/* ============================================
   SERVICES LIST - RESPONSIVE
   ============================================ */
.pop-services-list {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.pop-service-card {
    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--white, #fff);
    border: 4px solid var(--black, #000);
    cursor: pointer;
    transition: all 0.1s ease;
}

/* ============================================
   BOOKING SUMMARY - RESPONSIVE
   ============================================ */
.pop-booking-summary {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--white, #fff);
    border: 4px solid var(--black, #000);
    padding: 1rem;
    box-shadow: 4px 4px 0 0 rgba(0,0,0,1);
}

.pop-summary-row {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 2px solid #eee;
}

.pop-summary-row:last-child {
    border-bottom: none;
}

/* ============================================
   CALENDAR - GRID LAYOUT
   ============================================ */
.pop-calendar {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--white, #fff);
    border: 4px solid var(--black, #000);
    box-shadow: 4px 4px 0 0 rgba(0,0,0,1);
}

.pop-calendar-header {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    padding: 1rem;
    border-bottom: 4px solid var(--black, #000);
}

.pop-calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    text-align: center;
    padding: 0.75rem 0.5rem;
    border-bottom: 2px solid var(--black, #000);
    font-weight: 800;
    font-size: clamp(0.625rem, 2vw, 0.75rem);
    text-transform: uppercase;
}

.pop-calendar-days {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.125rem;
    padding: 0.5rem;
}

.pop-calendar-day {
    aspect-ratio: 1;
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: clamp(0.75rem, 2.5vw, 1rem);
    cursor: pointer;
    border: 2px solid transparent;
    min-height: 36px;
    transition: all 0.1s ease;
}

/* ============================================
   TIME GRID - RESPONSIVE COLUMNS
   ============================================ */
.pop-time-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.pop-time-slot {
    display: grid;
    place-items: center;
    padding: 0.875rem;
    background: var(--white, #fff);
    border: 3px solid var(--black, #000);
    font-weight: 800;
    font-size: clamp(0.75rem, 2vw, 0.875rem);
    cursor: pointer;
    min-height: 48px;
    transition: all 0.1s ease;
}

/* ============================================
   FILTER CHIPS - HORIZONTAL SCROLL
   ============================================ */
.pop-filter-chips {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.pop-filter-chips::-webkit-scrollbar {
    display: none;
}

/* ============================================
   TABS - RESPONSIVE
   ============================================ */
.pop-tabs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--white, #fff);
    border-bottom: 4px solid var(--black, #000);
}

/* ============================================
   BOTTOM NAVIGATION - FIXED GRID
   ============================================ */
.pop-bottom-nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white, #fff);
    border-top: 4px solid var(--black, #000);
    padding: 0.5rem 0;
    z-index: 100;
    height: var(--bottom-nav-height);
}

.pop-nav-item {
    display: grid;
    place-items: center;
    padding: 0.5rem;
    color: var(--black, #000);
    text-decoration: none;
    transition: color 0.2s;
}

/* ============================================
   BOTTOM BAR - BOOKING FLOW
   ============================================ */
.pop-bottom-bar {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--grid-gap-md);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white, #fff);
    border-top: 4px solid var(--black, #000);
    padding: 1rem var(--container-padding);
    z-index: 100;
}

.pop-bottom-bar-content {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: var(--grid-gap-md);
    max-width: var(--content-max-width);
    margin: 0 auto;
    width: 100%;
}

/* ============================================
   MODALS - RESPONSIVE
   ============================================ */
.pop-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    place-items: center;
    padding: var(--container-padding);
}

.pop-modal.active {
    display: grid;
}

.pop-modal-content {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--white, #fff);
    border: 4px solid var(--black, #000);
    box-shadow: 8px 8px 0 0 rgba(0,0,0,1);
    width: 100%;
    max-width: min(400px, calc(100vw - 2rem));
    max-height: calc(100vh - 2rem);
    max-height: calc(100dvh - 2rem);
    overflow-y: auto;
}

.pop-modal-header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    padding: 1rem;
    border-bottom: 4px solid var(--black, #000);
}

.pop-modal-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    padding: 0 1.5rem 1.5rem;
}

/* ============================================
   FORMS - RESPONSIVE GRID
   ============================================ */
.pop-form {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--grid-gap-md);
}

.pop-form-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

/* ============================================
   HEADLINE / SPEECH BUBBLE
   ============================================ */
.pop-headline {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    margin-bottom: var(--grid-gap-xl);
}

.pop-headline h1 {
    font-size: clamp(1.5rem, 5vw, 2rem);
    text-align: center;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.pop-empty-state {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: center;
    gap: var(--grid-gap-md);
    text-align: center;
    padding: var(--grid-gap-xl);
    background: var(--white, #fff);
    border: 4px dashed var(--black, #000);
}

/* ============================================
   TABLET BREAKPOINT (576px+)
   ============================================ */
@media (min-width: 576px) {
    /* Quick Actions - 2 columns */
    .pop-quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Modal Buttons - Side by side */
    .pop-modal-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Time Grid - 3 columns */
    .pop-time-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 0.75rem;
    }
    
    /* Tabs - 3 columns if needed */
    .pop-tabs {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Calendar days larger */
    .pop-calendar-day {
        min-height: 40px;
    }
}

/* ============================================
   DESKTOP BREAKPOINT (768px+)
   ============================================ */
@media (min-width: 768px) {
    /* Appointments - 2 columns */
    .pop-appointments-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Barbers - 2 columns */
    .pop-barbers-list {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Time Grid - 4 columns */
    .pop-time-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    /* Quick Actions - 3 columns */
    .pop-quick-actions {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Bottom Nav - Centered pill */
    .pop-bottom-nav {
        max-width: 500px;
        left: 50%;
        transform: translateX(-50%);
        border-radius: 20px 20px 0 0;
        border: 4px solid var(--black, #000);
        border-bottom: none;
    }
    
    /* Calendar enhanced */
    .pop-calendar-day {
        min-height: 44px;
    }
}

/* ============================================
   LARGE DESKTOP BREAKPOINT (1024px+)
   ============================================ */
@media (min-width: 1024px) {
    /* Appointments - 3 columns */
    .pop-appointments-list {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Barbers - 3 columns */
    .pop-barbers-list {
        grid-template-columns: repeat(3, 1fr);
    }
    
    /* Time Grid - 5 columns */
    .pop-time-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

/* ============================================
   EXTRA LARGE DESKTOP (1200px+)
   ============================================ */
@media (min-width: 1200px) {
    /* Time Grid - 6 columns */
    .pop-time-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

/* ============================================
   TOUCH DEVICE OPTIMIZATIONS
   ============================================ */
@media (hover: none) and (pointer: coarse) {
    /* Larger touch targets */
    .pop-action-btn,
    .pop-time-slot,
    .pop-chip,
    .pop-tab,
    .pop-menu-item {
        min-height: 48px;
    }
    
    .pop-nav-item {
        min-height: 56px;
    }
    
    /* Remove hover transforms on touch */
    .pop-appointment-card:hover,
    .pop-barber-card:hover,
    .pop-service-card:hover {
        transform: none;
    }
}

/* ============================================
   LANDSCAPE MOBILE
   ============================================ */
@media (max-height: 500px) and (orientation: landscape) {
    :root {
        --container-padding: 0.75rem;
        --bottom-nav-height: 56px;
    }
    
    .pop-profile-avatar {
        width: 60px;
        height: 60px;
    }
    
    .pop-headline h1 {
        font-size: 1.25rem;
    }
}

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

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .pop-bottom-nav,
    .pop-bottom-bar,
    .pop-action-btn,
    .pop-cta-btn,
    .pop-logout-button {
        display: none !important;
    }
    
    .dashboard-container,
    .pop-appointments-content,
    .pop-profile-content {
        padding-bottom: 0;
    }
    
    .pop-appointment-card {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #000;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
/* Hide on breakpoints */
.hide-mobile { display: none !important; }
@media (min-width: 576px) { .hide-mobile { display: block !important; } .hide-tablet { display: none !important; } }
@media (min-width: 768px) { .hide-tablet { display: block !important; } .hide-desktop { display: none !important; } }

/* Show only on breakpoints */
.show-tablet, .show-desktop { display: none !important; }
@media (min-width: 576px) { .show-mobile { display: none !important; } .show-tablet { display: block !important; } }
@media (min-width: 768px) { .show-tablet { display: none !important; } .show-desktop { display: block !important; } }

/* Grid utilities */
.grid-center { place-items: center; }
.grid-start { place-items: start; }
.grid-end { place-items: end; }

/* Gap utilities */
.gap-sm { gap: var(--grid-gap-sm); }
.gap-md { gap: var(--grid-gap-md); }
.gap-lg { gap: var(--grid-gap-lg); }
.gap-xl { gap: var(--grid-gap-xl); }