:root {
    --bg: #f5f6fa;
    --bg-card: #ffffff;
    --bg-dark: #0f172a;
    --bg-card-dark: #111827;
    --accent: #3b82f6;
    --accent-soft: rgba(59,130,246,0.12);
    --text: #0f172a;
    --text-soft: #6b7280;
    --border: #e5e7eb;
    --radius-lg: 18px;
    --radius-md: 12px;
    --shadow-soft: 0 18px 40px rgba(15,23,42,0.12);
    --transition-fast: 0.18s ease-out;
    --input-bg: #f9fafb;
    --input-bg-dark: #020617;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #020617;
        --bg-card: #020617;
        --text: #e5e7eb;
        --text-soft: #9ca3af;
        --border: #1f2937;
    }
}

* {
    box-sizing: border-box;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
    margin: 0;
    padding: 0;
    background: radial-gradient(circle at top left, #1d4ed8 0, transparent 55%),
                radial-gradient(circle at bottom right, #22c55e 0, transparent 55%),
                var(--bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
}

.main-shell {
    width: 100%;
    max-width: 1100px;
    padding: 24px;
}

.card {
    background: linear-gradient(135deg, rgba(255,255,255,0.96), rgba(248,250,252,0.96));
    border-radius: 28px;
    padding: 28px 26px;
    box-shadow: var(--shadow-soft);
    border: 1px solid rgba(148,163,184,0.25);
    backdrop-filter: blur(18px);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

@media (prefers-color-scheme: dark) {
    .card {
        background: radial-gradient(circle at top left, rgba(37,99,235,0.18), transparent 55%),
                    radial-gradient(circle at bottom right, rgba(16,185,129,0.18), transparent 55%),
                    linear-gradient(145deg, #020617, #020617);
        border-color: rgba(51,65,85,0.9);
    }
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 22px 55px rgba(15,23,42,0.35);
}

.header {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: center;
    margin-bottom: 20px;
}

.header-title {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-pill {
    font-size: 0.78rem;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-weight: 600;
}

.header-sub {
    font-size: 0.86rem;
    color: var(--text-soft);
    margin-top: 4px;
}

.badge {
    font-size: 0.75rem;
    padding: 3px 9px;
    border-radius: 999px;
    border: 1px solid rgba(148,163,184,0.6);
    color: var(--text-soft);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 18px;
    margin-top: 10px;
}

@media (max-width: 768px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-soft);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.input, .textarea, .select {
    border-radius: 14px;
    border: 1px solid var(--border);
    padding: 10px 12px;
    font-size: 0.9rem;
    background: var(--input-bg);
    color: var(--text);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}

@media (prefers-color-scheme: dark) {
    .input, .textarea, .select {
        background: var(--input-bg-dark);
    }
}

.input:focus, .textarea:focus, .select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(59,130,246,0.4);
    transform: translateY(-1px);
}

.textarea {
    min-height: 90px;
    resize: vertical;
}

.helper {
    font-size: 0.78rem;
    color: var(--text-soft);
}

.footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 18px;
    gap: 12px;
    flex-wrap: wrap;
}

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-soft);
}

.checkbox-row input[type="checkbox"] {
    margin-top: 2px;
}

.btn-primary {
    border: none;
    border-radius: 999px;
    padding: 10px 20px;
    background: linear-gradient(135deg, #2563eb, #4f46e5);
    color: #f9fafb;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 14px 30px rgba(37,99,235,0.45);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 40px rgba(37,99,235,0.6);
    filter: brightness(1.03);
}

.btn-secondary {
    border-radius: 999px;
    padding: 8px 16px;
    border: 1px solid rgba(148,163,184,0.7);
    background: transparent;
    color: var(--text-soft);
    font-size: 0.8rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.btn-secondary:hover {
    background: rgba(148,163,184,0.08);
    border-color: rgba(148,163,184,1);
    color: var(--text);
}

.status-pill {
    padding: 3px 9px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-new {
    background: rgba(59,130,246,0.12);
    color: #1d4ed8;
}

.status-read {
    background: rgba(148,163,184,0.18);
    color: #4b5563;
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-size: 0.85rem;
}

.table th, .table td {
    padding: 8px 10px;
    border-bottom: 1px solid rgba(148,163,184,0.35);
    text-align: left;
}

.table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-soft);
}

.chip-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.chip {
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.78rem;
    border: 1px solid rgba(148,163,184,0.7);
    color: var(--text-soft);
}

.tabs {
    display: inline-flex;
    padding: 3px;
    border-radius: 999px;
    background: rgba(15,23,42,0.04);
}

@media (prefers-color-scheme: dark) {
    .tabs {
        background: rgba(15,23,42,0.7);
    }
}

.tab {
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 0.8rem;
    cursor: pointer;
    border: none;
    background: transparent;
    color: var(--text-soft);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.tab.active {
    background: #ffffff;
    color: #111827;
    box-shadow: 0 10px 25px rgba(15,23,42,0.25);
}

@media (prefers-color-scheme: dark) {
    .tab.active {
        background: #020617;
        color: #e5e7eb;
    }
}

.tab-count {
    font-size: 0.7rem;
    padding: 2px 7px;
    border-radius: 999px;
    background: rgba(148,163,184,0.2);
}