:root {
    --bg: #0a0d12;
    --panel: #11151d;
    --panel-border: #1f2530;
    --text: #e8ecf1;
    --muted: #8b95a5;
    --accent-hot: #ff5a2e;
    --accent-cold: #2fb2ff;
    --gradient: linear-gradient(90deg, var(--accent-hot), var(--accent-cold));
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    min-height: 100vh;
}

.wrap {
    max-width: 960px;
    margin: 0 auto;
    padding: clamp(16px, 3vh, 32px) clamp(14px, 3vw, 28px);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    font-weight: 700;
    font-size: 1.2rem;
}

.brand .accent {
    background: var(--gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.card {
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: clamp(16px, 2.5vh, 24px);
}

.login-card {
    max-width: 360px;
    margin: 10vh auto 0;
    text-align: center;
}

.login-card h1 {
    margin-top: 0;
    font-size: 1.2rem;
}

#loginForm {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

input, textarea {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    color: var(--text);
    padding: 10px 12px;
    font-size: 0.92rem;
    font-family: inherit;
    width: 100%;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-cold);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    border-radius: 10px;
    padding: 9px 16px;
    font-size: 0.88rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
    border: 1px solid rgba(255, 255, 255, 0.16);
}

button:hover {
    border-color: var(--accent-cold);
}

button.primary {
    background: var(--gradient);
    color: #0a0d12;
    border: none;
}

button.ghost-btn {
    background: transparent;
    border: 1px solid var(--panel-border);
    color: var(--muted);
}

.error {
    color: var(--accent-hot);
    font-size: 0.85rem;
}

main {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.composer h2 {
    margin-top: 0;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.toolbar button {
    padding: 6px 10px;
    font-size: 0.8rem;
}

#markdownInput {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    resize: vertical;
    margin-bottom: 12px;
}

.row {
    display: flex;
    gap: 10px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.row input {
    flex: 1;
    min-width: 200px;
}

.field-label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.82rem;
    color: var(--muted);
    flex: 1;
}

.actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.preview-row {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    border-top: 1px solid var(--panel-border);
    padding-top: 14px;
}

.preview-row input {
    flex: 1;
    min-width: 200px;
}

.hint {
    font-size: 0.8rem;
    color: var(--muted);
}

.post-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.post-card {
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.post-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.status-badge {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 3px 8px;
    border-radius: 999px;
    letter-spacing: 0.03em;
}

.status-draft { background: rgba(255, 255, 255, 0.1); color: var(--muted); }
.status-scheduled { background: rgba(47, 178, 255, 0.15); color: var(--accent-cold); }
.status-sent { background: rgba(60, 200, 120, 0.15); color: #3cc878; }
.status-failed { background: rgba(255, 90, 46, 0.18); color: var(--accent-hot); }

.post-card-meta {
    font-size: 0.78rem;
    color: var(--muted);
}

.post-card-preview {
    font-size: 0.85rem;
    white-space: pre-wrap;
    max-height: 4.5em;
    overflow: hidden;
    color: var(--text);
    opacity: 0.85;
}

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

.post-card-actions button {
    padding: 5px 10px;
    font-size: 0.76rem;
}

.post-card-error {
    color: var(--accent-hot);
    font-size: 0.78rem;
}