* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
}

body {
    font-family: 'Russo One', sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    color: #fff;
}

.page-container {
    height: 100vh;
    height: 100dvh;
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
header {
    text-align: center;
    padding: 10px 0;
    position: relative;
    flex-shrink: 0;
}

.back-link {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    color: #4fc3f7;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: #81d4fa;
}

.logo {
    max-width: 120px;
    height: auto;
    filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.4));
    margin-bottom: 5px;
}

header h1 {
    font-size: 1.4rem;
    color: #4fc3f7;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    letter-spacing: 2px;
}

/* Main Content */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow: hidden;
    min-height: 0; /* Important for flex children to shrink */
}

/* Template Selector */
.template-selector {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 12px 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    flex-shrink: 0;
}

.template-selector h2 {
    margin-bottom: 10px;
    font-size: 1rem;
    color: #81d4fa;
}

.template-grid {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 5px;
}

.template-grid::-webkit-scrollbar {
    height: 6px;
}

.template-grid::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.template-grid::-webkit-scrollbar-thumb {
    background: rgba(79, 195, 247, 0.5);
    border-radius: 3px;
}

.template-item {
    cursor: pointer;
    border-radius: 8px;
    overflow: hidden;
    border: 3px solid transparent;
    transition: all 0.2s ease;
    background: rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
    width: 70px;
    height: 70px;
}

.template-item:hover {
    border-color: #4fc3f7;
    transform: scale(1.05);
}

.template-item.selected {
    border-color: #ffeb3b;
    box-shadow: 0 0 15px rgba(255, 235, 59, 0.5);
}

.template-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Editor Section */
.editor-section {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 20px;
    flex: 1;
    min-height: 0; /* Important for flex children to shrink */
    overflow: hidden;
}

.canvas-container {
    background: rgba(0, 0, 0, 0.4);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    border: 2px dashed rgba(255, 255, 255, 0.2);
    overflow: hidden;
    padding: 10px;
}

#meme-canvas {
    max-width: 100%;
    max-height: 100%;
    border-radius: 8px;
    display: none;
    object-fit: contain;
}

.placeholder-text {
    color: rgba(255, 255, 255, 0.4);
    font-size: 1rem;
    text-align: center;
}

/* Controls */
.controls {
    display: flex;
    flex-direction: column;
    gap: 15px;
    justify-content: center;
}

.text-inputs {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group label {
    font-size: 0.8rem;
    color: #81d4fa;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-group input {
    padding: 12px 14px;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 0.95rem;
    font-family: 'Russo One', sans-serif;
    border: 2px solid transparent;
    transition: all 0.2s;
}

.input-group input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.input-group input:focus {
    outline: none;
    border-color: #4fc3f7;
    background: rgba(255, 255, 255, 0.15);
}

/* Buttons */
.action-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn {
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-family: 'Russo One', sans-serif;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-primary {
    background: linear-gradient(135deg, #4fc3f7 0%, #29b6f6 100%);
    color: #000;
    box-shadow: 0 4px 15px rgba(79, 195, 247, 0.4);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 195, 247, 0.5);
}

.btn-primary:disabled {
    background: rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.4);
    cursor: not-allowed;
    box-shadow: none;
}

/* Footer */
footer {
    text-align: center;
    padding: 10px 0;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* Responsive */
@media (max-width: 900px) {
    .editor-section {
        grid-template-columns: 1fr;
        grid-template-rows: 1fr auto;
    }

    .controls {
        flex-direction: row;
        flex-wrap: wrap;
        gap: 10px;
    }

    .text-inputs {
        flex: 1;
        flex-direction: row;
        gap: 10px;
    }

    .input-group {
        flex: 1;
    }

    .action-buttons {
        width: 100%;
    }
}

@media (max-width: 600px) {
    .page-container {
        padding: 10px 15px;
    }

    header {
        padding: 5px 0;
    }

    .back-link {
        position: static;
        transform: none;
        display: block;
        margin-bottom: 8px;
        font-size: 0.8rem;
    }

    .logo {
        max-width: 80px;
    }

    header h1 {
        font-size: 1.1rem;
    }

    .template-selector {
        padding: 10px;
    }

    .template-selector h2 {
        font-size: 0.9rem;
        margin-bottom: 8px;
    }

    .template-item {
        width: 55px;
        height: 55px;
    }

    .editor-section {
        gap: 10px;
    }

    .text-inputs {
        flex-direction: column;
    }

    .input-group input {
        padding: 10px 12px;
        font-size: 0.9rem;
    }

    .btn {
        padding: 12px 16px;
        font-size: 0.85rem;
    }

    footer {
        padding: 8px 0;
        font-size: 0.7rem;
    }
}