/* ==========================================================================
   rakuen.live - Design System (Post-Apocalyptic Widescreen Sanctuary Console)
   ========================================================================== */

:root {
    /* Warm plaster / sand paper background */
    --bg-main: #f6f5f2;
    --bg-card: #ffffff;
    --bg-input: #ecebe6;
    --bg-terminal: #f0efea;
    
    /* Desaturated charcoal & slate */
    --text-primary: #2b2d2f;
    --text-secondary: #5e6164;
    --text-muted: #8d9093;
    
    /* Soft warm gray borders */
    --border-color: #e1dfda;
    --border-focus: #2b2d2f;
    
    /* Moss / Olive green representing life in ruins */
    --accent-color: #4e5d4c;
    --accent-color-hover: #3d493a;
    --accent-light: rgba(78, 93, 76, 0.08);
    
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    
    --font-sans: 'Inter', -apple-system, sans-serif;
    /* Japanese Mincho fonts fallback */
    --font-serif: 'Lora', 'Georgia', 'Hiragino Mincho ProN', 'MS Mincho', serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
    
    --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-md: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* Typography Overrides */
h1, h2, h3, h4, .header-logo a {
    font-family: var(--font-serif);
    letter-spacing: -0.01em;
}

/* Site Widescreen Split Layout */
.site-wrapper {
    max-width: 1600px; /* Expansive layout! */
    width: 100%;
    margin: 0 auto;
    padding: 60px 32px;
    display: flex;
    flex-direction: column;
    gap: 40px;
    flex: 1; /* Stretch to push footer down */
}

@media (min-width: 850px) {
    .site-wrapper {
        display: grid;
        grid-template-columns: 240px 1fr;
        gap: 60px; /* Increased gap for breathing room */
        align-items: start;
        padding: 80px 48px;
    }
}

/* LEFT SIDEBAR: Static Console */
.site-sidebar {
    width: 100%;
}

@media (min-width: 850px) {
    .sidebar-sticky {
        position: sticky;
        top: 80px;
        display: flex;
        flex-direction: column;
        gap: 30px;
    }
}

.sidebar-header {
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.header-logo a {
    font-size: 1.35rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 4px;
}

.logo-rakuen {
    color: var(--text-primary);
}

.logo-live {
    color: var(--accent-color);
    font-weight: 500;
}

.logo-kanji {
    color: #b85a3c; /* terracotta rust color representing decay/rubble */
    font-size: 1.15rem;
    margin-left: 2px;
}

/* Sprout Image in Sidebar */
.sidebar-image-wrapper {
    width: 100%;
    height: 130px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    background-color: var(--bg-card);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.01);
    display: none;
}

@media (min-width: 850px) {
    .sidebar-image-wrapper {
        display: block;
    }
}

.sidebar-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease-in-out;
}

.sidebar-image.fade-out {
    opacity: 0;
}

/* Navigation (Vertical Menu) */
.tab-nav-vertical {
    display: flex;
    flex-direction: row;
    gap: 8px;
    flex-wrap: wrap;
    background-color: var(--bg-input);
    padding: 3px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

@media (min-width: 850px) {
    .tab-nav-vertical {
        flex-direction: column;
        background: none;
        border: none;
        padding: 0;
        gap: 6px;
        margin-bottom: 0;
    }
}

.tab-nav-vertical .nav-tab {
    border: none;
    background: none;
    padding: 8px 14px;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 10px;
    width: auto;
    border-radius: var(--radius-sm);
}

@media (min-width: 850px) {
    .tab-nav-vertical .nav-tab {
        width: 100%;
        padding: 10px 14px;
        border-radius: var(--radius-md);
        border: 1px solid transparent;
    }
}

.tab-nav-vertical .nav-tab:hover {
    color: var(--text-primary);
    background-color: rgba(0, 0, 0, 0.02);
}

@media (min-width: 850px) {
    .tab-nav-vertical .nav-tab:hover {
        transform: translateX(4px);
    }
}

.tab-nav-vertical .nav-tab.active {
    color: var(--accent-color-hover);
    background-color: var(--bg-card);
    font-weight: 600;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

@media (min-width: 850px) {
    .tab-nav-vertical .nav-tab.active {
        border-color: var(--border-color);
        border-left: 3px solid var(--accent-color);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
    }
}

/* RIGHT MAIN AREA */
.site-main {
    width: 100%;
}

/* Page Section Headers */
.section-header {
    margin-bottom: 35px;
}

.section-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.section-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Grid Layout for Hub Cards */
.grid-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

@media (min-width: 700px) {
    .grid-container {
        grid-template-columns: repeat(3, 1fr); /* 3 columns to fully utilize width! */
    }
}

.hub-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
}

.link-card:hover {
    border-color: var(--accent-color);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.02);
}

.disabled-card {
    opacity: 0.75;
    background-color: rgba(255, 255, 255, 0.4);
}

.card-status {
    position: absolute;
    top: 24px;
    right: 24px;
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 600;
    padding: 2px 7px;
    border-radius: 4px;
    letter-spacing: 0.03em;
}

.card-status.active {
    background-color: var(--accent-light);
    color: var(--accent-color);
    border: 1px solid rgba(78, 93, 76, 0.15);
}

.card-status.planning {
    background-color: var(--bg-terminal);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.card-icon {
    font-size: 1.35rem;
    margin-bottom: 18px;
    color: var(--accent-color);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-main);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.hub-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.hub-card p {
    color: var(--text-secondary);
    font-size: 0.88rem;
    margin-bottom: 24px;
    line-height: 1.55;
    flex: 1;
}

.card-link-text {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color var(--transition-fast);
}

.link-card:hover .card-link-text {
    color: var(--accent-color);
}

/* About Section Styles */
.about-wrapper {
    display: flex;
    flex-direction: column;
}

.about-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.about-title-row {
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.about-avatar {
    width: 50px;
    height: 50px;
    background-color: var(--bg-input);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    font-size: 1.3rem;
    border: 1px solid var(--border-color);
}

.about-avatar + div h3 {
    font-size: 1.25rem;
    font-weight: 600;
}

.about-subtitle-text {
    font-size: 0.82rem;
    color: var(--text-muted);
}

.about-body-text p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 14px;
    line-height: 1.7;
    text-align: justify;
}

.about-body-text p:last-child {
    margin-bottom: 0;
}

.about-body-text strong {
    color: var(--text-primary);
}

.about-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.about-btn {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-main);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.about-btn:hover {
    background-color: var(--bg-input);
    color: var(--accent-color);
}

/* WIDESCREEN BLOG SPLIT LAYOUT */
.blog-split-container {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

@media (min-width: 800px) {
    .blog-split-container {
        display: grid;
        grid-template-columns: 320px 1fr;
        gap: 40px;
    }
}

.blog-sidebar-list {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
    width: 100%;
}

@media (min-width: 800px) {
    .blog-sidebar-list {
        border-bottom: none;
        padding-bottom: 0;
        border-right: 1px solid var(--border-color);
        padding-right: 25px;
    }
}

.blog-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.blog-list-header h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
}

.edit-mode-controls {
    display: flex;
    gap: 6px;
    align-items: center;
}

.btn-toggle-edit {
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    padding: 4px 8px;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all var(--transition-fast);
}

.btn-toggle-edit:hover {
    background-color: var(--bg-input);
    color: var(--text-primary);
}

.btn-toggle-edit.active-edit {
    background-color: var(--accent-light);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-new-post {
    background-color: var(--accent-color);
    color: var(--bg-card);
    border: none;
    padding: 4px 8px;
    font-size: 0.72rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-new-post:hover {
    background-color: var(--accent-color-hover);
}

/* Minimalist list items on the left side list */
.posts-list-small {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.post-item-small {
    padding: 12px 14px;
    border-radius: var(--radius-md);
    cursor: pointer;
    background-color: transparent;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.post-item-small:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

.post-item-small.active {
    background-color: var(--bg-card);
    border-color: var(--border-color);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.post-item-small h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.35;
    margin-bottom: 4px;
}

.post-item-small .post-item-date {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
}

/* Right main pane in Blog split container */
.blog-main-pane {
    flex: 1;
    min-height: 400px;
}

.pane-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-muted);
    text-align: center;
    padding: 60px 0;
}

.pane-empty-state i {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.pane-empty-state p {
    font-size: 0.88rem;
}

.pane-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 16px;
    height: 28px;
}

.post-ops {
    display: flex;
    gap: 8px;
}

.btn-op {
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    padding: 4px 10px;
    font-size: 0.76rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
}

.btn-edit:hover {
    background-color: var(--accent-light);
    color: var(--accent-color);
    border-color: var(--accent-color);
}

.btn-delete:hover {
    background-color: rgba(201, 74, 72, 0.08);
    color: #c94a48;
    border-color: #c94a48;
}

.blog-post-article-pane {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.01);
}

.post-detail-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
    margin-bottom: 24px;
}

.post-detail-header h1 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.post-detail-meta {
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-muted);
    display: flex;
    gap: 12px;
}

/* Markdown styling inside pane reader */
.markdown-body {
    font-size: 0.94rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.markdown-body p {
    margin-bottom: 14px;
    text-align: justify;
    max-width: 880px; /* Readability constraint on wide screens */
}

.markdown-body h2, .markdown-body h3 {
    font-family: var(--font-serif);
    margin-top: 24px;
    margin-bottom: 10px;
    font-weight: 600;
    color: var(--text-primary);
}

.markdown-body h2 {
    font-size: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 4px;
}

.markdown-body h3 {
    font-size: 1.05rem;
}

.markdown-body ul, .markdown-body ol {
    margin-bottom: 14px;
    padding-left: 20px;
    max-width: 880px;
}

.markdown-body li {
    margin-bottom: 4px;
}

.markdown-body code {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    background-color: var(--bg-input);
    padding: 2px 5px;
    border-radius: 4px;
    color: #b94a48;
}

.markdown-body pre {
    background-color: #2b2d2f;
    color: #ecebe6;
    padding: 12px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin-bottom: 14px;
}

.markdown-body pre code {
    background-color: transparent;
    padding: 0;
    color: inherit;
    font-size: 0.82rem;
}

.markdown-body blockquote {
    border-left: 3px solid var(--accent-color);
    color: var(--text-secondary);
    padding-left: 12px;
    margin-bottom: 14px;
    font-family: var(--font-serif);
    font-style: italic;
    max-width: 880px;
}

/* Forms (Create/Edit Pane View) */
.clean-form-pane {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.01);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
}

.form-row {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

@media (min-width: 550px) {
    .form-row {
        flex-direction: row;
    }
}

.clean-form-pane label {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.clean-form-pane input[type="text"],
.clean-form-pane textarea {
    font-family: var(--font-sans);
    font-size: 0.88rem;
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: #fcfcfc;
    transition: all var(--transition-fast);
    outline: none;
}

.clean-form-pane input[type="text"]:focus,
.clean-form-pane textarea:focus {
    border-color: var(--accent-color);
    background-color: var(--bg-card);
    box-shadow: 0 0 0 3px rgba(78, 93, 76, 0.08);
}

.clean-form-pane textarea {
    line-height: 1.6;
    resize: vertical;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 5px;
    border-top: 1px solid var(--border-color);
    padding-top: 16px;
}

/* Custom Password Validation Modal Dialog */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 380px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    animation: modal-slide-in 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modal-slide-in {
    from {
        transform: translateY(12px) scale(0.97);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-primary);
}

.btn-close-modal {
    border: none;
    background: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    line-height: 1;
}

.btn-close-modal:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.modal-body p {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 14px;
}

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

.password-input-group input[type="password"] {
    font-family: var(--font-sans);
    font-size: 1rem;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: #fcfcfc;
    outline: none;
    width: 100%;
    transition: all var(--transition-fast);
}

.password-input-group input[type="password"]:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(78, 93, 76, 0.08);
}

.error-msg {
    font-size: 0.76rem;
    color: #c94a48;
    font-weight: 500;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Buttons */
.btn-primary {
    background-color: var(--accent-color);
    color: var(--bg-card);
    border: 1px solid var(--accent-color);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.btn-primary:hover {
    background-color: var(--accent-color-hover);
    border-color: var(--accent-color-hover);
}

.btn-secondary {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background-color: var(--bg-input);
    color: var(--text-primary);
}

/* Footer Styling */
.site-footer-wide {
    border-top: 1px solid var(--border-color);
    margin-top: 60px;
    padding: 30px 24px;
    background-color: var(--bg-main);
    color: var(--text-muted);
    font-size: 0.76rem;
}

.footer-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-note {
    opacity: 0.85;
}