/* Robot Kids World - Unified Application Stylesheet */

@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=Play:wght@400;700&display=swap');

:root {
    --primary-orange: #FF7A00;
    --primary-amber: #FFB800;
    --primary-blue: #3B82F6;
    --primary-purple: #8B5CF6;
    --primary-emerald: #10B981;
    --primary-rose: #F43F5E;
}

* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Play', 'Nunito', sans-serif;
    background: radial-gradient(circle at 10% 20%, #FFFBEB 0%, #FEF3C7 25%, #E0F2FE 60%, #F0FDF4 100%);
    min-height: 100vh;
    color: #1E293B;
    overflow-x: hidden;
    touch-action: manipulation;
}

/* Glassmorphism Containers */
.magic-glass {
    background: rgba(255, 255, 255, 0.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 4px solid #FFFFFF;
    box-shadow: 0 20px 45px rgba(249, 115, 22, 0.12);
}

.glass-card {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 3.5px solid #FFFFFF;
    box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

/* 3D Toy Button */
.toy-btn {
    touch-action: manipulation;
    user-select: none;
    transition: all 0.16s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-bottom-width: 6px;
    cursor: pointer;
}

.toy-btn:hover {
    transform: translateY(-4px) scale(1.02);
}

.toy-btn:active {
    transform: translateY(3px) scale(0.97);
    border-bottom-width: 2px !important;
}

/* Dynamic Topic Grid - Tự động dàn đều không để lại khoảng trống */
#topics-container, .auto-fit-grid {
    display: grid !important;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)) !important;
    gap: 1.25rem !important;
    width: 100% !important;
}

/* Topic Card */
.topic-card {
    touch-action: manipulation;
    user-select: none;
    transition: all 0.22s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-bottom-width: 8px;
    border-radius: 2rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.topic-card:hover {
    transform: translateY(-7px) scale(1.02);
    box-shadow: 0 25px 40px -10px rgba(0, 0, 0, 0.12);
}

.topic-card:active {
    transform: translateY(3px) scale(0.98);
    border-bottom-width: 3px !important;
}

/* Island Tab Filter */
.island-tab {
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-bottom-width: 4px;
    cursor: pointer;
}

.island-tab.active {
    transform: translateY(-4px) scale(1.04);
    border-bottom-width: 6px;
}

.island-tab:not(.active):hover {
    background-color: #FFFFFF;
    transform: translateY(-2px);
}

/* Keypad Button */
.keypad-btn {
    font-family: 'Play', 'Nunito', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    background: #FFFFFF;
    border: 3px solid #E2E8F0;
    border-bottom: 6px solid #CBD5E1;
    border-radius: 1.25rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.06);
    transition: all 0.12s ease;
    cursor: pointer;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    touch-action: manipulation;
}

.keypad-btn:active {
    transform: translateY(4px);
    border-bottom: 2px solid #CBD5E1;
}

/* Compare Sign Button */
.compare-btn {
    font-family: 'Play', sans-serif;
    font-size: 2.25rem;
    font-weight: 700;
    transition: all 0.15s ease;
    cursor: pointer;
    touch-action: manipulation;
}

.compare-btn:hover {
    transform: translateY(-3px) scale(1.05);
}

.compare-btn:active {
    transform: translateY(3px) scale(0.95);
}

/* Option Card */
.option-card {
    transition: all 0.18s cubic-bezier(0.34, 1.56, 0.64, 1);
    border-bottom-width: 6px;
    cursor: pointer;
    touch-action: manipulation;
}

.option-card:hover {
    transform: translateY(-4px);
}

.option-card:active {
    transform: translateY(2px);
    border-bottom-width: 2px !important;
}

/* Tap-to-count items */
.count-item {
    font-size: 2.75rem;
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.1));
    cursor: pointer;
    transition: transform 0.18s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    user-select: none;
    touch-action: manipulation;
}

.count-item:hover {
    transform: scale(1.2) rotate(8deg);
}

.count-item.counted {
    transform: scale(0.9);
    filter: grayscale(0.5) opacity(0.65);
}

/* Screen Transitions - Ẩn hoàn toàn các màn hình không active, không chiếm layout */
.screen {
    display: none !important;
    opacity: 0;
}

.screen.active {
    display: flex !important;
    opacity: 1;
    animation: fadeInScale 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.98);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Floating Clouds */
.cloud {
    position: absolute;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(8px);
    border-radius: 9999px;
    pointer-events: none;
    z-index: 0;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.5);
}
::-webkit-scrollbar-thumb {
    background: #FBBF24;
    border-radius: 9999px;
    border: 2px solid white;
}

/* Custom SweetAlert2 Style for Kids */
.swal2-popup.kid-swal-popup {
    font-family: 'Play', 'Nunito', sans-serif !important;
    border-radius: 2.5rem !important;
    border: 4px solid #FDE047 !important;
    box-shadow: 0 25px 50px -12px rgba(249, 115, 22, 0.25) !important;
    padding: 2.25rem 1.5rem !important;
    background: #FFFDF5 !important;
}

.kid-swal-confirm-btn {
    touch-action: manipulation;
    user-select: none;
    font-family: 'Play', sans-serif !important;
    font-weight: 700 !important;
    font-size: 0.95rem !important;
    padding: 0.85rem 1.5rem !important;
    border-radius: 1.25rem !important;
    background: linear-gradient(to right, #F97316, #EA580C) !important;
    color: #FFFFFF !important;
    border: 2px solid #FDBA74 !important;
    border-bottom: 5px solid #C2410C !important;
    box-shadow: 0 10px 15px -3px rgba(234, 88, 12, 0.3) !important;
    transition: all 0.16s ease !important;
    cursor: pointer !important;
}

.kid-swal-confirm-btn:active {
    transform: translateY(3px) !important;
    border-bottom-width: 2px !important;
}

.kid-swal-cancel-btn {
    touch-action: manipulation;
    user-select: none;
    font-family: 'Play', sans-serif !important;
    font-weight: 700 !important;
    font-size: 0.95rem !important;
    padding: 0.85rem 1.5rem !important;
    border-radius: 1.25rem !important;
    background: linear-gradient(to right, #10B981, #059669) !important;
    color: #FFFFFF !important;
    border: 2px solid #6EE7B7 !important;
    border-bottom: 5px solid #047857 !important;
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.3) !important;
    transition: all 0.16s ease !important;
    cursor: pointer !important;
}

.kid-swal-cancel-btn:active {
    transform: translateY(3px) !important;
    border-bottom-width: 2px !important;
}