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

:root {
    --bg: #0e0e1a;
    --bg-raised: #161625;
    --bg-sidebar: #12121f;
    --bg-input: #1c1c2e;
    --purple: #8b5cf6;
    --purple-dim: rgba(139, 92, 246, 0.12);
    --purple-glow: rgba(139, 92, 246, 0.25);
    --teal: #2dd4bf;
    --teal-dim: rgba(45, 212, 191, 0.1);
    --text: #e4e4ed;
    --text-muted: #6b6b80;
    --text-secondary: #9d9db5;
    --border: #232336;
    --border-hover: #363650;
    --danger: #ef4444;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.app {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* Header */
header {
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    flex-shrink: 0;
    background: var(--bg-sidebar);
}

.logout-form { margin: 0; }

header h1 {
    font-size: 1.1rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--purple), var(--teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

.subtitle {
    color: var(--text-muted);
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}

/* Layout */
.layout {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.subscribe-form {
    padding: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.subscribe-form form {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.subscribe-row {
    display: flex;
    gap: 0.4rem;
}

.subscribe-row input,
.subscribe-form input[name="folder_name"] {
    width: 100%;
}

.subscribe-form input {
    flex: 1;
    min-width: 0;
    padding: 0.45rem 0.6rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-input);
    color: var(--text);
    font-size: 0.8rem;
    transition: border-color 0.15s;
}

.subscribe-form input::placeholder { color: var(--text-muted); }
.subscribe-form input:focus {
    outline: none;
    border-color: var(--purple);
    box-shadow: 0 0 0 2px var(--purple-dim);
}

.subscribe-form button {
    padding: 0.45rem 0.65rem;
    background: var(--purple);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 500;
    white-space: nowrap;
    transition: opacity 0.15s;
}

.subscribe-form button:hover { opacity: 0.85; }

/* Feed nav */
.sidebar nav {
    flex: 1;
    overflow-y: auto;
    padding: 0.4rem;
}

.sidebar nav::-webkit-scrollbar { width: 4px; }
.sidebar nav::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.feed-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.5rem 0.6rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.82rem;
    color: var(--text-secondary);
    transition: all 0.12s;
    gap: 0.25rem;
}

.feed-item:hover {
    background: var(--purple-dim);
    color: var(--text);
}

.feed-item .feed-title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
}

.feed-item .feed-actions {
    display: flex;
    gap: 0.15rem;
    opacity: 0;
    flex-shrink: 0;
    transition: opacity 0.12s;
}

.feed-item:hover .feed-actions { opacity: 1; }

.btn-icon {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.15rem 0.35rem;
    border-radius: 4px;
    font-size: 0.75rem;
    transition: all 0.12s;
}

.btn-icon:hover { color: var(--teal); background: var(--teal-dim); }
.btn-icon[title="Unsubscribe"]:hover { color: var(--danger); background: rgba(239,68,68,0.1); }

.all-feeds-item {
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.15rem;
}

.all-feeds-item::after {
    content: "";
    display: block;
    margin-top: 0.5rem;
    border-bottom: 1px solid var(--border);
}

/* Folder sections */
.folder-section {
    margin-bottom: 0.25rem;
}

.folder-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.35rem 0.6rem 0.2rem;
    gap: 0.25rem;
}

.folder-name {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    flex: 1;
}

.folder-link {
    cursor: pointer;
    transition: color 0.12s;
}

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

.folder-header-actions {
    display: flex;
    gap: 0.1rem;
    opacity: 0;
    transition: opacity 0.12s;
}

.folder-header:hover .folder-header-actions { opacity: 1; }

.folder-delete {
    opacity: 1;
}

/* Folder move select in feed items */
.folder-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-secondary);
    font-size: 0.7rem;
    padding: 0.1rem 0.2rem;
    cursor: pointer;
    max-width: 80px;
    transition: border-color 0.12s;
}

.folder-select:hover,
.folder-select:focus {
    border-color: var(--purple);
    outline: none;
    color: var(--text);
}

/* Content */
.content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.25rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
    background: var(--bg);
}

.content-header h2 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
}

.content-actions { display: flex; gap: 0.4rem; }

.btn-secondary {
    padding: 0.35rem 0.7rem;
    background: var(--bg-raised);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.12s;
}

.btn-secondary:hover {
    border-color: var(--teal);
    color: var(--teal);
}

/* Article list */
#article-list {
    flex: 1;
    overflow-y: auto;
    padding: 0.75rem 1.25rem;
}

#article-list::-webkit-scrollbar { width: 6px; }
#article-list::-webkit-scrollbar-thumb { background: var(--border); border-radius: 6px; }

.article-item {
    padding: 0.85rem 1rem;
    border-radius: 8px;
    margin-bottom: 0.35rem;
    transition: background 0.12s;
    border-left: 2px solid transparent;
}

.article-item:hover {
    background: var(--bg-raised);
}

.article-item:not(.read) {
    border-left-color: var(--teal);
}

.article-item.read {
    opacity: 0.45;
    border-left-color: transparent;
}

.article-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
    line-height: 1.35;
}

.article-title a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.12s;
}

.article-title a:hover { color: var(--purple); }

.article-meta {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-bottom: 0.35rem;
}

.article-description {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-actions {
    margin-top: 0.4rem;
}

.btn-small {
    padding: 0.15rem 0.45rem;
    background: none;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.7rem;
    transition: all 0.12s;
}

.btn-small:hover {
    color: var(--teal);
    border-color: var(--teal);
}

/* States */
.loading { color: var(--text-muted); padding: 3rem; text-align: center; font-size: 0.85rem; }
.empty { color: var(--text-muted); padding: 3rem; text-align: center; font-size: 0.85rem; }
.error { color: var(--danger); padding: 1rem; font-size: 0.85rem; }

/* HTMX indicator */
.htmx-indicator { display: none; }
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator { display: inline; }

/* Refresh toast — opacity controlled by JS in index.html */
#refresh-toast {
    color: var(--teal);
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
}

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

/* Load more button */
.btn-load-more {
    display: block;
    width: 100%;
    margin-top: 0.5rem;
    padding: 0.5rem;
    background: none;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
    transition: all 0.12s;
}

.btn-load-more:hover {
    border-color: var(--purple);
    color: var(--purple);
}

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

/* Login page */
.login-container {
    max-width: 340px;
    margin: 15vh auto;
    padding: 2.5rem 2rem;
    text-align: center;
    background: var(--bg-raised);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.login-container h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--purple), var(--teal));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.25rem;
}

.login-container .subtitle {
    display: block;
    margin-bottom: 1.5rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.login-form input {
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-input);
    color: var(--text);
    font-size: 0.9rem;
    transition: border-color 0.15s;
}

.login-form input::placeholder { color: var(--text-muted); }
.login-form input:focus {
    outline: none;
    border-color: var(--purple);
    box-shadow: 0 0 0 2px var(--purple-dim);
}

.login-form button {
    padding: 0.6rem;
    background: var(--purple);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: opacity 0.15s;
}

.login-form button:hover { opacity: 0.85; }

.login-error {
    color: var(--danger);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

/* Responsive */
@media (max-width: 768px) {
    .layout { flex-direction: column; }
    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        max-height: 40vh;
    }
}