/* Color Scheme Variables */
:root {
    color-scheme: light dark;
}

/* Dark mode (default) */
:root,
:root[data-theme='dark'] {
    --bg-body: #29292e;
    --bg-card: #242429;
    --bg-card-secondary: #1e1e23;
    --bg-input: #1b1b1f;
    --text-primary: #e5e7eb;
    --text-secondary: #b0b0b5;
    --text-tertiary: #c5c6ca;
    --text-muted: #9ca3af;
    --text-strong: #f3f4f6;
    --text-bright: #f9fafb;
    --border-color: #3c3c44;
    --border-separator: #2a2a30;
    --text-info: #d1d5db;
    --text-warning: #f59e0b;
    --shadow: rgba(0, 0, 0, 0.25);
}

/* Light mode */
@media (prefers-color-scheme: light) {
    :root:not([data-theme='dark']) {
        --bg-body: #f3f4f6;
        --bg-card: #ffffff;
        --bg-card-secondary: #f9fafb;
        --bg-input: #ffffff;
        --text-primary: #1f2937;
        --text-secondary: #4b5563;
        --text-tertiary: #6b7280;
        --text-muted: #9ca3af;
        --text-strong: #111827;
        --text-bright: #000000;
        --border-color: #d1d5db;
        --border-separator: #e5e7eb;
        --text-info: #374151;
        --text-warning: #d97706;
        --shadow: rgba(0, 0, 0, 0.1);
    }
}

/* General layout */
body {
    margin: 0;
    font-family: 'Roboto', 'RobotoDraft', Helvetica, Arial, sans-serif;
    background-color: var(--bg-body);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100dvh;
    padding: 2rem 0;
    box-sizing: border-box;
}

/* Container */
.container {
    width: 90%;
    max-width: 1100px;
    padding: 0 2rem;
    box-sizing: border-box;
    margin: auto;
}

/* Content Wrapper */
.content-wrapper {
    display: flex;
    gap: 2rem;
    align-items: stretch;
}

/* Adjust order for mobile: info first, form second */
.content-wrapper {
    flex-direction: column;
}

.info-card {
    order: 1;
}

.card {
    order: 2;
}

/* Desktop layout: form left, info right */
@media (min-width: 768px) {
    .content-wrapper {
        flex-direction: row;
        align-items: center;
    }

    .card {
        flex: 1;
        order: 1;
    }

    .info-card {
        flex: 1;
        order: 2;
    }
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 2rem;
}

.logo {
    height: 150px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-top: 0;
    line-height: 1.4;
}

/* Card */
.card {
    background-color: var(--bg-card);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 0 10px var(--shadow);
}

.card h2 {
    margin-top: 0;
    color: var(--text-strong);
    text-align: center;
}

/* Form */
form {
    display: flex;
    flex-direction: column;
    margin-top: 1.5rem;
}

label {
    font-size: 0.9rem;
    color: var(--text-tertiary);
    margin-bottom: 0.3rem;
}

.required {
    color: #ef5350;
}

input[type='text'] {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-bright);
    padding: 0.75rem;
    border-radius: 8px;
    outline: none;
    font-size: 1rem;
    margin-bottom: 1.2rem;
    transition: border-color 0.2s ease;
}

input[type='text']:focus {
    border-color: var(--text-muted);
}

.error-message {
    color: #f87171;
    font-size: 0.85rem;
    margin-top: 0;
    margin-bottom: 1rem;
    height: 1rem;
}

/* Create Room Button */
.btn-create {
    background-color: #4caf50;
    color: white;
    font-weight: 600;
    border: none;
    padding: 0.9rem;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
}

.btn-create:hover:enabled {
    background-color: #43a047;
}

.btn-create:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Info Card */
.info-card {
    background-color: var(--bg-card-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
}

.info-card h3 {
    margin-top: 0;
    margin-bottom: 0;
    color: var(--text-warning);
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-list li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-separator);
    line-height: 1.6;
    font-size: 0.9rem;
    color: var(--text-info);
}

.info-list li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.info-list li strong {
    color: var(--text-bright);
    font-weight: 600;
}

/* Footer */
.footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--text-muted);
    font-size: 0.8rem;
}

/* Responsive adjustments */
@media (max-width: 767px) {
    body {
        padding: 1.5rem 0;
    }

    .container {
        max-width: 90%;
        padding: 0 1.5rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .card {
        padding: 1.5rem;
    }

    .info-card {
        padding: 1.25rem;
    }

    .info-card h3 {
        font-size: 1rem;
    }

    .info-list li {
        font-size: 0.85rem;
    }

    .logo {
        height: 100px;
    }

    .btn-create {
        padding: 0.8rem;
        font-size: 0.95rem;
    }
}