/* ============================================
   URBot Weekly Digest — Dark Theme Wrapper
   + Email-safe preview container
   ============================================ */

:root {
    --digest-bg: #0a0a1a;
    --digest-surface: #12122a;
    --digest-border: rgba(255, 255, 255, 0.08);
    --digest-text: #e0e0f0;
    --digest-text-dim: #8888aa;
    --digest-accent: #00e5ff;
    --digest-accent-hover: #00b8d4;
    --digest-success: #10b981;
    --digest-danger: #ef4444;
    --digest-font: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
    --digest-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
}

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

body {
    background: var(--digest-bg);
    font-family: var(--digest-font);
    color: var(--digest-text);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ---- Header ---- */
.digest-header {
    text-align: center;
    padding: 2.5rem 1.5rem 1.5rem;
    border-bottom: 1px solid var(--digest-border);
}

.digest-back {
    display: inline-block;
    margin-bottom: 0.75rem;
    color: var(--digest-accent);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s;
}

.digest-back:hover {
    color: var(--digest-accent-hover);
    text-decoration: underline;
}

.digest-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #fff;
    margin-bottom: 0.35rem;
}

.digest-subtitle {
    font-size: 0.95rem;
    color: var(--digest-text-dim);
}

/* ---- Main Content ---- */
.digest-main {
    max-width: 680px;
    margin: 2rem auto;
    padding: 0 1rem;
}

/* ---- Email Preview Container ---- */
.digest-preview-container {
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    overflow: hidden;
    min-height: 400px;
}

/* ---- Actions Row ---- */
.digest-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1.25rem;
    justify-content: center;
}

.digest-copy-btn {
    background: transparent;
    color: var(--digest-accent);
    border: 1px solid var(--digest-accent);
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

.digest-copy-btn:hover {
    background: var(--digest-accent);
    color: #0a0a1a;
}

.digest-copy-toast {
    color: var(--digest-success);
    font-size: 0.85rem;
    opacity: 0;
    transition: opacity 0.3s;
}

.digest-copy-toast.visible {
    opacity: 1;
}

/* ---- Subscribe Section ---- */
.digest-subscribe {
    margin-top: 3rem;
    padding: 2rem;
    background: var(--digest-surface);
    border: 1px solid var(--digest-border);
    border-radius: 10px;
    text-align: center;
}

.digest-subscribe-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 1rem;
}

.digest-subscribe-form {
    display: flex;
    gap: 0.5rem;
    max-width: 420px;
    margin: 0 auto;
}

.digest-subscribe-input {
    flex: 1;
    padding: 0.6rem 0.9rem;
    border: 1px solid var(--digest-border);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.digest-subscribe-input::placeholder {
    color: var(--digest-text-dim);
}

.digest-subscribe-input:focus {
    border-color: var(--digest-accent);
}

.digest-subscribe-btn {
    padding: 0.6rem 1.5rem;
    background: var(--digest-accent);
    color: #0a0a1a;
    border: none;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}

.digest-subscribe-btn:hover {
    background: var(--digest-accent-hover);
}

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

.digest-subscribe-status {
    margin-top: 0.75rem;
    font-size: 0.85rem;
    min-height: 1.25em;
}

.digest-subscribe-status.success {
    color: var(--digest-success);
}

.digest-subscribe-status.error {
    color: var(--digest-danger);
}

.digest-subscribe-status.info {
    color: var(--digest-text-dim);
}

/* ---- Footer ---- */
.digest-footer {
    text-align: center;
    padding: 2rem 1rem;
    font-size: 0.8rem;
    color: var(--digest-text-dim);
    border-top: 1px solid var(--digest-border);
    margin-top: 3rem;
}

/* ---- Loading State ---- */
.digest-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    color: #666;
    font-size: 0.9rem;
}

.digest-loading::before {
    content: '';
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid #ddd;
    border-top-color: #00e5ff;
    border-radius: 50%;
    margin-right: 0.75rem;
    animation: digest-spin 0.8s linear infinite;
}

@keyframes digest-spin {
    to { transform: rotate(360deg); }
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
    .digest-header {
        padding: 1.5rem 1rem 1rem;
    }

    .digest-title {
        font-size: 1.5rem;
    }

    .digest-main {
        padding: 0 0.5rem;
    }

    .digest-subscribe-form {
        flex-direction: column;
    }

    .digest-subscribe-btn {
        width: 100%;
    }

    .digest-actions {
        flex-direction: column;
    }
}