/* ==========================================================
   SketchX - Pro Web Post Viewer Stylesheet (Material 3 Expressive)
   ========================================================== */

/* Access Status Badge Pill in Top Navigation */
.nav-pro-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 9px;
    border-radius: var(--shape-full);
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border: 1px solid var(--md-sys-color-primary);
    margin-left: 6px;
    box-shadow: var(--elevation-1);
}

.nav-pro-badge.admin {
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
    border-color: var(--md-sys-color-error);
}

.nav-pro-badge.maintainer,
.nav-pro-badge.developer {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    border-color: var(--md-sys-color-secondary);
}

.nav-pro-badge.contributor {
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-primary);
    border-color: var(--md-sys-color-outline-variant);
}

/* User Account Strip in Header */
.user-account-strip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px 4px 5px;
    border-radius: var(--shape-full);
    background: var(--md-sys-color-surface-container-high);
    border: 1px solid var(--md-sys-color-outline-variant);
}

.user-account-avatar {
    width: 28px;
    height: 28px;
    border-radius: var(--shape-full);
    object-fit: cover;
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    font-size: 0.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.user-account-name {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    max-width: 120px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-signout-mini {
    background: transparent;
    border: none;
    color: var(--md-sys-color-error);
    font-size: 1.05rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 4px;
    border-radius: var(--shape-full);
    transition: background-color 0.2s ease, transform 0.15s ease;
}
.btn-signout-mini:hover {
    background-color: var(--md-sys-color-error-container);
    transform: scale(1.1);
}

/* Auth & Restriction Gate Cards */
.auth-gate-card {
    text-align: center;
    padding: 48px 24px;
    max-width: 520px;
    margin: 32px auto;
    border-radius: var(--shape-extra-large);
    background: linear-gradient(180deg, var(--md-sys-color-surface-container) 0%, var(--md-sys-color-surface-container-low) 100%);
    border: 1.5px solid var(--md-sys-color-outline-variant);
    box-shadow: var(--elevation-2);
}

.auth-gate-icon {
    width: 76px;
    height: 76px;
    border-radius: var(--shape-large);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.4rem;
    margin: 0 auto 20px;
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border: 1.5px solid var(--md-sys-color-primary);
}

.auth-gate-icon.red {
    background: var(--md-sys-color-error-container);
    color: var(--md-sys-color-on-error-container);
    border: 1.5px solid var(--md-sys-color-error);
}

.auth-gate-title {
    font-family: var(--font-family);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--md-sys-color-on-surface);
}

.auth-gate-desc {
    font-size: 0.95rem;
    line-height: 1.55;
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 28px;
}

.auth-buttons-cluster {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 360px;
    margin: 0 auto;
}

.btn-google-auth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 13px 20px;
    border-radius: var(--shape-large);
    font-family: var(--font-family);
    font-size: 0.95rem;
    font-weight: 700;
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface);
    border: 1px solid var(--md-sys-color-outline);
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-google-auth:hover {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border-color: var(--md-sys-color-primary);
    transform: translateY(-1px);
}

/* Unlocked Access Banner */
.pro-unlocked-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 20px;
    border-radius: var(--shape-large);
    background: var(--md-sys-color-surface-container-high);
    border: 1.5px solid var(--md-sys-color-outline-variant);
    color: var(--md-sys-color-on-surface);
    font-size: 0.9rem;
    font-weight: 700;
}

.pro-unlocked-banner .pro-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--md-sys-color-primary);
}

/* Segmented View Mode Toggle (Visual Blocks vs Code) */
.view-mode-toggle-group {
    display: inline-flex;
    align-items: center;
    background: var(--md-sys-color-surface-container-high);
    border: 1.5px solid var(--md-sys-color-outline-variant);
    padding: 4px;
    border-radius: var(--shape-full);
    gap: 4px;
    margin: 18px 0 10px;
    max-width: 100%;
}

.toggle-mode-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    border-radius: var(--shape-full);
    border: none;
    background: transparent;
    color: var(--md-sys-color-on-surface-variant);
    font-family: var(--font-family);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.toggle-mode-btn:hover {
    color: var(--md-sys-color-on-surface);
}

.toggle-mode-btn.active {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    font-weight: 700;
    box-shadow: var(--elevation-1);
}

/* Source Code & Block Inspector */
.pro-code-card {
    background: var(--md-sys-color-surface-container);
    border: 1.5px solid var(--md-sys-color-outline-variant);
    border-radius: var(--shape-large);
    overflow: hidden;
    margin: 14px 0 20px;
}

.pro-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: var(--md-sys-color-surface-container-high);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    flex-wrap: wrap;
    gap: 10px;
}

.pro-code-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--md-sys-color-on-surface);
}

.pro-code-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-code-action {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: var(--shape-full);
    font-size: 0.82rem;
    font-weight: 700;
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface);
    border: 1px solid var(--md-sys-color-outline-variant);
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-code-action:hover {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border-color: var(--md-sys-color-primary);
}

.btn-code-action.primary-download {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border: 1px solid transparent;
}
.btn-code-action.primary-download:hover {
    background: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    border-color: var(--md-sys-color-primary);
}

.pro-code-body {
    margin: 0;
    padding: 20px 18px;
    font-family: 'JetBrains Mono', 'Roboto Mono', Consolas, monospace;
    font-size: 0.88rem;
    line-height: 1.6;
    color: var(--md-sys-color-on-surface);
    background: rgba(0, 0, 0, 0.25);
    overflow-x: auto;
    white-space: pre;
    tab-size: 4;
}

/* Custom Visual Block Viewer */
.visual-block-item {
    background: var(--md-sys-color-surface-container-high);
    border: 1.5px solid var(--md-sys-color-outline-variant);
    border-radius: var(--shape-large);
    padding: 16px 18px;
    margin-bottom: 12px;
    box-shadow: var(--elevation-1);
}

.visual-block-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.visual-block-color-tag {
    width: 32px;
    height: 18px;
    border-radius: var(--shape-small);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.visual-block-name {
    font-family: var(--font-family);
    font-weight: 800;
    font-size: 0.98rem;
    color: var(--md-sys-color-on-surface);
}

.visual-block-type-chip {
    margin-left: auto;
    font-size: 0.74rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 3px 8px;
    border-radius: var(--shape-full);
    background: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface-variant);
    border: 1px solid var(--md-sys-color-outline-variant);
}

.visual-block-spec-box {
    margin: 8px 0 0;
    padding: 8px 12px;
    border-radius: var(--shape-medium);
    background: var(--md-sys-color-surface-container-highest);
    border-left: 3.5px solid var(--md-sys-color-primary);
}

.visual-block-spec-code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--md-sys-color-on-surface);
    word-break: break-word;
}

/* 2-line clean code snippet preview */
.visual-block-code-preview {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.78rem;
    margin-top: 8px;
    padding: 8px 12px;
    border-radius: var(--shape-medium);
    background: rgba(0, 0, 0, 0.2);
    color: var(--md-sys-color-on-surface-variant);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.45;
}

@media (max-width: 600px) {
    .auth-gate-card { padding: 32px 16px; margin: 20px 0; }
    .nav-pro-badge { display: none;}
    .pro-unlocked-banner { flex-direction: column; align-items: flex-start; }
    .pro-code-header { flex-direction: column; align-items: flex-start; }
    .view-mode-toggle-group { width: 100%; display: flex; }
    .toggle-mode-btn { flex: 1; justify-content: center; padding: 8px 10px; font-size: 0.82rem; }
}