/* ============================================================
   SPHERE MAGAZINE - Admin Panel Styles
   ============================================================ */

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

:root {
    --white: #ffffff;
    --off-white: #f8f7f5;
    --light-gray: #e8e6e3;
    --mid-gray: #a09e9a;
    --dark-gray: #4a4845;
    --charcoal: #2a2826;
    --black: #111111;
    --accent: #c8a96e;
    --accent-dark: #b89455;
    --error: #c44536;
    --success: #3a7d44;
    --sidebar-w: 240px;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Space Grotesk', 'Inter', sans-serif;
    --transition: 0.3s ease;
}

html {
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-primary);
    background: var(--off-white);
    color: var(--charcoal);
    line-height: 1.6;
}

a { text-decoration: none; color: inherit; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; border: none; outline: none; }

::selection {
    background: var(--accent);
    color: var(--white);
}

/* --- Login --- */
.login-screen {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--black);
    z-index: 9999;
}

.login-card {
    width: 360px;
    padding: 48px 40px;
    background: var(--white);
    text-align: center;
}

.login-logo {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--black);
    margin-bottom: 4px;
}

.login-sub {
    font-size: 12px;
    color: var(--mid-gray);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 36px;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.login-input {
    padding: 14px 16px;
    background: var(--off-white);
    border: 1px solid var(--light-gray);
    font-size: 14px;
    color: var(--black);
    transition: border-color var(--transition);
}

.login-input:focus {
    border-color: var(--black);
}

.login-input::placeholder {
    color: var(--mid-gray);
}

.login-btn {
    padding: 14px;
    background: var(--black);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 8px;
    transition: background var(--transition);
}

.login-btn:hover {
    background: var(--charcoal);
}

.login-status {
    font-size: 13px;
    color: var(--error);
    min-height: 20px;
}

.login-hint {
    font-size: 11px;
    color: var(--mid-gray);
    margin-top: 8px;
}

/* --- Sidebar --- */
.admin-dashboard {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    height: 100vh;
    background: var(--black);
    display: flex;
    flex-direction: column;
    z-index: 100;
}

.sidebar-brand {
    padding: 28px 24px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    display: flex;
    align-items: baseline;
    gap: 10px;
}

.sidebar-logo {
    font-family: var(--font-display);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.2em;
    color: var(--white);
}

.sidebar-badge {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--accent);
    border: 1px solid var(--accent);
    padding: 2px 6px;
    border-radius: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    font-size: 13px;
    font-weight: 500;
    color: var(--mid-gray);
    border-radius: 6px;
    transition: var(--transition);
    width: 100%;
    text-align: left;
}

.sidebar-link svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.sidebar-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.05);
}

.sidebar-link.active {
    color: var(--white);
    background: rgba(255,255,255,0.08);
}

.sidebar-link-sm {
    font-size: 12px;
    padding: 10px 14px;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid rgba(255,255,255,0.06);
}

/* --- Main --- */
.admin-main {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 32px 40px;
    min-height: 100vh;
}

.admin-panel {
    display: none;
}

.admin-panel.active {
    display: block;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.panel-title {
    font-family: var(--font-display);
    font-size: 24px;
    font-weight: 700;
    color: var(--black);
    letter-spacing: -0.01em;
}

.panel-actions {
    display: flex;
    gap: 10px;
}

/* --- Buttons --- */
.btn {
    padding: 10px 20px;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    border-radius: 4px;
    transition: var(--transition);
}

.btn-primary {
    background: var(--black);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--charcoal);
}

.btn-outline {
    background: transparent;
    color: var(--dark-gray);
    border: 1px solid var(--light-gray);
}

.btn-outline:hover {
    border-color: var(--dark-gray);
    color: var(--black);
}

.btn-danger {
    background: var(--error);
    color: var(--white);
}

.btn-danger:hover {
    opacity: 0.9;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 11px;
}

/* --- Posts Table --- */
.posts-table-wrap {
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    overflow: hidden;
}

.posts-table {
    width: 100%;
    border-collapse: collapse;
}

.posts-table th {
    padding: 14px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--mid-gray);
    background: var(--off-white);
    border-bottom: 1px solid var(--light-gray);
}

.th-check {
    width: 40px;
}

.posts-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--light-gray);
    font-size: 13px;
    vertical-align: middle;
}

.posts-table tr:last-child td {
    border-bottom: none;
}

.posts-table tr:hover td {
    background: rgba(0,0,0,0.01);
}

.post-thumb {
    width: 56px;
    height: 40px;
    object-fit: cover;
    border-radius: 4px;
}

.post-title-cell {
    font-weight: 600;
    color: var(--black);
}

.post-status {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 3px;
}

.post-status.published {
    background: rgba(58, 125, 68, 0.1);
    color: var(--success);
}

.post-status.draft {
    background: rgba(160, 158, 154, 0.15);
    color: var(--mid-gray);
}

.post-status.featured {
    background: rgba(200, 169, 110, 0.15);
    color: var(--accent-dark);
}

.post-actions {
    display: flex;
    gap: 6px;
}

.post-action-btn {
    padding: 5px 8px;
    font-size: 11px;
    color: var(--mid-gray);
    transition: color var(--transition);
}

.post-action-btn:hover {
    color: var(--black);
}

.post-action-btn.delete:hover {
    color: var(--error);
}

/* --- Forms --- */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-row-check {
    display: flex;
    gap: 24px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--dark-gray);
    margin-bottom: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 14px;
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    font-size: 14px;
    color: var(--black);
    transition: border-color var(--transition);
}

.form-input:focus {
    border-color: var(--black);
}

.form-input::placeholder {
    color: var(--mid-gray);
}

.form-textarea {
    width: 100%;
    padding: 14px;
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 4px;
    font-size: 14px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace, var(--font-primary);
    color: var(--black);
    line-height: 1.7;
    resize: vertical;
    min-height: 300px;
    transition: border-color var(--transition);
}

.form-textarea:focus {
    border-color: var(--black);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--dark-gray);
    cursor: pointer;
}

.form-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--black);
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}

.form-status {
    margin-top: 12px;
    font-size: 13px;
    min-height: 20px;
}

.form-status.success { color: var(--success); }
.form-status.error { color: var(--error); }

/* --- Image Picker --- */
.image-picker {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.image-preview {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 16/10;
    background: var(--off-white);
    border: 2px dashed var(--light-gray);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.image-preview:hover {
    border-color: var(--mid-gray);
}

.image-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-text {
    font-size: 13px;
    color: var(--mid-gray);
}

/* --- Markdown Toolbar --- */
.md-toolbar {
    display: flex;
    gap: 4px;
    padding: 8px 10px;
    background: var(--off-white);
    border: 1px solid var(--light-gray);
    border-bottom: none;
    border-radius: 4px 4px 0 0;
    align-items: center;
}

.md-btn {
    padding: 5px 10px;
    font-size: 12px;
    font-weight: 600;
    color: var(--dark-gray);
    border-radius: 3px;
    transition: var(--transition);
}

.md-btn:hover {
    background: var(--white);
    color: var(--black);
}

.md-sep {
    width: 1px;
    height: 16px;
    background: var(--light-gray);
    margin: 0 4px;
}

.md-preview {
    padding: 20px;
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-top: none;
    border-radius: 0 0 4px 4px;
    min-height: 300px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--charcoal);
}

.md-preview h1, .md-preview h2, .md-preview h3 {
    font-family: var(--font-display);
    margin: 20px 0 10px;
    color: var(--black);
}

.md-preview blockquote {
    border-left: 3px solid var(--accent);
    padding: 12px 20px;
    background: var(--off-white);
    margin: 16px 0;
    font-style: italic;
}

.md-preview img {
    max-width: 100%;
    border-radius: 4px;
    margin: 12px 0;
}

.form-textarea + .md-toolbar + .md-preview,
.md-toolbar + .form-textarea {
    border-radius: 0 0 4px 4px;
}

/* --- Bulk Upload Tabs --- */
.bulk-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 0;
    border-bottom: 1px solid var(--light-gray);
}

.bulk-tab {
    padding: 12px 24px;
    font-size: 13px;
    font-weight: 600;
    color: var(--mid-gray);
    letter-spacing: 0.02em;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: var(--transition);
}

.bulk-tab:hover {
    color: var(--dark-gray);
}

.bulk-tab.active {
    color: var(--black);
    border-bottom-color: var(--black);
}

.bulk-tab-panel {
    display: none;
}

.bulk-tab-panel.active {
    display: block;
}

/* --- Bulk Upload --- */
.bulk-upload {
    background: var(--white);
    padding: 32px;
    border: 1px solid var(--light-gray);
    border-top: none;
    border-radius: 0 0 8px 8px;
}

.bulk-desc {
    font-size: 14px;
    color: var(--dark-gray);
    margin-bottom: 24px;
    line-height: 1.7;
}

.bulk-desc strong {
    color: var(--black);
    font-weight: 600;
}

.bulk-format {
    margin-bottom: 24px;
}

.bulk-format h3 {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--dark-gray);
    margin-bottom: 10px;
}

.bulk-code {
    background: var(--charcoal);
    color: var(--light-gray);
    padding: 16px 20px;
    border-radius: 6px;
    font-size: 12px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    overflow-x: auto;
    line-height: 1.6;
    white-space: pre;
}

.bulk-drop {
    border: 2px dashed var(--light-gray);
    border-radius: 8px;
    padding: 48px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.bulk-drop:hover {
    border-color: var(--mid-gray);
    background: var(--off-white);
}

.bulk-drop p {
    font-size: 14px;
    color: var(--mid-gray);
}

.bulk-drop-hint {
    font-size: 12px;
    color: var(--light-gray);
    margin-top: 6px;
}

.bulk-drop.dragover {
    border-color: var(--accent);
    background: rgba(200, 169, 110, 0.05);
}

.bulk-results {
    margin-top: 20px;
    padding: 16px;
    background: var(--off-white);
    border-radius: 6px;
}

.bulk-results h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 10px;
}

.bulk-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

.bulk-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--light-gray);
    font-size: 13px;
}

.bulk-file-item:last-child {
    border-bottom: none;
}

.bulk-file-name {
    font-weight: 600;
    color: var(--black);
}

.bulk-file-meta {
    color: var(--mid-gray);
    font-size: 12px;
}

.bulk-file-status {
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 3px;
}

.bulk-file-status.ready {
    background: rgba(58, 125, 68, 0.1);
    color: var(--success);
}

.bulk-file-status.warn {
    background: rgba(200, 169, 110, 0.15);
    color: var(--accent-dark);
}

.bulk-file-status.error {
    background: rgba(196, 69, 54, 0.1);
    color: var(--error);
}

.bulk-file-status.done {
    background: rgba(58, 125, 68, 0.1);
    color: var(--success);
}

.bulk-file-status.fail {
    background: rgba(196, 69, 54, 0.1);
    color: var(--error);
}

/* --- Messages --- */
.messages-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.message-card {
    background: var(--white);
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    padding: 20px 24px;
}

.message-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.message-sender {
    font-weight: 600;
    color: var(--black);
    font-size: 14px;
}

.message-email {
    font-size: 12px;
    color: var(--mid-gray);
    margin-left: 8px;
    font-weight: 400;
}

.message-date {
    font-size: 12px;
    color: var(--mid-gray);
}

.message-body {
    font-size: 14px;
    color: var(--dark-gray);
    line-height: 1.7;
}

/* --- Empty State --- */
.empty-state {
    padding: 60px 20px;
    text-align: center;
    color: var(--mid-gray);
    font-size: 14px;
}

/* --- Settings --- */
.settings-form {
    background: var(--white);
    padding: 32px;
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    max-width: 640px;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .sidebar {
        width: 200px;
    }
    .admin-main {
        margin-left: 200px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        position: static;
        width: 100%;
        height: auto;
        flex-direction: row;
        flex-wrap: wrap;
        padding: 12px;
    }
    .sidebar-nav {
        flex-direction: row;
        flex-wrap: wrap;
        padding: 8px 0;
    }
    .sidebar-footer {
        display: flex;
        gap: 8px;
        border-top: none;
        padding: 0;
    }
    .admin-main {
        margin-left: 0;
        padding: 20px;
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* --- Scrollbar --- */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--light-gray); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--mid-gray); }