:root {
    --bg: #0b0f16;
    --bg-panel: #121826;
    --bg-panel-2: #161f30;
    --border: #232d3f;
    --text: #e7ecf5;
    --text-dim: #9aa1b5;
    --accent: #22d3ee;
    --accent-dim: #0d94a6;
    --danger: #f87171;
    --success: #34d399;
    --radius: 14px;
    --radius-sm: 10px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background: radial-gradient(1200px 600px at 10% -10%, rgba(34, 211, 238, 0.08), transparent 60%),
                radial-gradient(1000px 500px at 100% 0%, rgba(99, 102, 241, 0.08), transparent 55%),
                var(--bg);
    color: var(--text);
    font-family: 'Segoe UI', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

h1:focus {
    outline: none;
}

/* ---------- App shell / nav ---------- */

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

.topnav {
    background: rgba(18, 24, 38, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 20;
}

.topnav-inner {
    width: 100%;
    margin: 0;
    padding: 14px 32px;
    display: flex;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.2px;
}

.brand-mark {
    height: 22px;
    width: auto;
    filter: drop-shadow(0 0 6px rgba(34, 211, 238, 0.45));
}

.brand-text {
    color: var(--text);
}

.brand-accent {
    color: var(--accent);
    font-weight: 600;
}

.nav-links {
    display: flex;
    gap: 6px;
    flex: 1;
    flex-wrap: wrap;
}

.nav-link {
    padding: 8px 14px;
    border-radius: 999px;
    color: var(--text-dim);
    font-size: 14px;
    font-weight: 600;
    transition: background 0.15s, color 0.15s;
}

.nav-link:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
}

.nav-link.active {
    color: #04141a;
    background: var(--accent);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-left: auto;
}

.nav-user-name {
    color: var(--text-dim);
    font-size: 13px;
    font-weight: 600;
}

.logout-btn {
    white-space: nowrap;
}

.app-main {
    flex: 1;
    padding: 32px 24px 60px;
}

.content-container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* ---------- Headers ---------- */

.page-header h1 {
    margin: 0 0 4px;
    font-size: 26px;
    font-weight: 700;
}

.page-header .subtitle {
    margin: 0;
    color: var(--text-dim);
    font-size: 14px;
}

/* ---------- Panels / fields ---------- */

.panel {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.filters-panel {
    display: flex;
    align-items: flex-end;
    gap: 16px;
    flex-wrap: wrap;
}

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

.field label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

.field-inline {
    min-width: 140px;
}

.field-inline .date-input {
    min-width: 140px;
}

.field-inline .text-input {
    min-width: 150px;
}

.text-input, .date-input, .page-size-select {
    background: var(--bg-panel-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    padding: 10px 12px;
    font-size: 14px;
    height: 42px;
    outline: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.text-input:focus, .date-input:focus, .page-size-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.search-wide {
    min-width: 320px;
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: var(--radius-sm);
    padding: 10px 18px;
    height: 42px;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.15s, background 0.15s, opacity 0.15s;
}

.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-dim));
    color: #04141a;
    box-shadow: 0 6px 18px rgba(34, 211, 238, 0.3);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(34, 211, 238, 0.4);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-dim);
    border: 1px solid var(--border);
}

.btn-ghost:hover:not(:disabled) {
    color: var(--text);
    background: rgba(255, 255, 255, 0.08);
}

.btn-danger {
    background: rgba(248, 113, 113, 0.1);
    color: var(--danger);
    border: 1px solid rgba(248, 113, 113, 0.35);
}

.btn-danger:hover:not(:disabled) {
    background: rgba(248, 113, 113, 0.18);
    border-color: rgba(248, 113, 113, 0.5);
}

.btn-sm {
    height: 34px;
    padding: 0 14px;
    font-size: 13px;
}

.clear-btn {
    height: 42px;
    padding: 0 16px;
}

.spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(0, 0, 0, 0.25);
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ---------- Toggle filter ---------- */

.toggle-filter {
    display: inline-flex;
    background: var(--bg-panel-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 3px;
    height: 42px;
    align-items: center;
}

.toggle-btn {
    border: none;
    background: transparent;
    border-radius: 999px;
    padding: 0 16px;
    height: 34px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.15s;
}

/* ---------- Results / table ---------- */

.results-panel {
    padding: 0;
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    padding: 18px 20px;
    border-bottom: 1px solid var(--border);
}

.filter-controls {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.show-clear-group {
    display: flex;
    flex-wrap: nowrap;
    gap: 10px;
}

.summary-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 12px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 999px;
    white-space: nowrap;
}

.badge-accent {
    background: rgba(34, 211, 238, 0.12);
    border-color: rgba(34, 211, 238, 0.35);
    color: var(--accent);
}

.badge-success {
    background: rgba(52, 211, 153, 0.12);
    border-color: rgba(52, 211, 153, 0.35);
    color: var(--success);
}

.empty-state {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-dim);
    font-size: 14px;
}

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

.data-table th, .data-table td {
    text-align: left;
    padding: 12px 20px;
    font-size: 14px;
    border-bottom: 1px solid var(--border);
}

.data-table th {
    color: var(--text-dim);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    font-weight: 700;
}

.data-table th.rank, .data-table td.rank {
    width: 48px;
    color: var(--text-dim);
}

.data-table th.num, .data-table td.num {
    text-align: right;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* ---------- Pagination ---------- */

.pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 16px 20px;
}

.pagination-size {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pagination-size label {
    font-size: 12px;
    color: var(--text-dim);
}

.pagination-nav {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pagination-label {
    font-size: 13px;
    color: var(--text-dim);
}

/* ---------- Alerts ---------- */

.alert {
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 14px;
    border: 1px solid transparent;
}

.alert-error {
    background: rgba(248, 113, 113, 0.1);
    border-color: rgba(248, 113, 113, 0.35);
    color: var(--danger);
}

.alert-success {
    background: rgba(52, 211, 153, 0.1);
    border-color: rgba(52, 211, 153, 0.35);
    color: var(--success);
}

/* ---------- Login page (glossy) ---------- */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.login-glow {
    position: absolute;
    inset: -20%;
    background: radial-gradient(600px 400px at 20% 10%, rgba(34, 211, 238, 0.15), transparent 60%),
                radial-gradient(500px 400px at 90% 90%, rgba(99, 102, 241, 0.12), transparent 60%);
    pointer-events: none;
}

.login-card {
    position: relative;
    width: 100%;
    max-width: 400px;
    background: linear-gradient(180deg, rgba(22, 31, 48, 0.9), rgba(13, 18, 28, 0.9));
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 36px 32px 28px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
    text-align: center;
    animation: cardIn 0.5s ease;
}

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-card-sheen {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 45%;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent);
    border-radius: 20px 20px 0 0;
    pointer-events: none;
}

.login-brand-mark {
    display: flex;
    justify-content: center;
    margin-bottom: 14px;
}

.login-brand-mark img {
    width: 34px;
    filter: drop-shadow(0 0 10px rgba(34, 211, 238, 0.5));
}

.login-title {
    margin: 0;
    font-size: 26px;
    font-weight: 800;
    background: linear-gradient(135deg, #fff, var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.login-subtitle {
    margin: 4px 0 22px;
    color: var(--text-dim);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.login-alert {
    margin-bottom: 16px;
    text-align: left;
}

.login-input-wrap {
    position: relative;
    margin-bottom: 14px;
    text-align: left;
}

.login-input-wrap svg {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--text-dim);
    pointer-events: none;
}

.login-input-wrap .text-input {
    width: 100%;
    padding-left: 42px;
}

.login-submit {
    width: 100%;
    margin-top: 8px;
    position: relative;
    overflow: hidden;
}

.login-submit svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.login-submit::after {
    content: '';
    position: absolute;
    top: 0;
    left: -60%;
    width: 40%;
    height: 100%;
    background: linear-gradient(120deg, transparent, rgba(255, 255, 255, 0.35), transparent);
    transform: skewX(-20deg);
    transition: left 0.6s ease;
}

.login-submit:hover::after {
    left: 130%;
}

.login-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--border);
    color: var(--text-dim);
    font-size: 12px;
}

.login-footer svg {
    width: 14px;
    height: 14px;
}

/* ---------- Draft Recap page ---------- */

.draft-list {
    display: flex;
    flex-direction: column;
}

.draft-list-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
    width: 100%;
    text-align: left;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border);
    padding: 16px 20px;
    cursor: pointer;
    color: var(--text);
    transition: background 0.15s;
}

.draft-list-item:last-child {
    border-bottom: none;
}

.draft-list-item:hover {
    background: rgba(255, 255, 255, 0.03);
}

.draft-list-item-active {
    background: rgba(34, 211, 238, 0.08);
    box-shadow: inset 3px 0 0 var(--accent);
}

.draft-list-item-approved {
    cursor: default;
    opacity: 0.85;
}

.draft-list-item-approved:hover {
    background: transparent;
}

.draft-list-item-main {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.draft-subject {
    font-weight: 700;
    font-size: 14px;
}

.draft-staging-id {
    font-size: 12px;
    color: var(--text-dim);
    font-family: 'Cascadia Code', 'Consolas', monospace;
}

.draft-list-item-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.draft-created {
    font-size: 12px;
    color: var(--text-dim);
}

.draft-detail-panel {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.draft-detail-title {
    margin: 0 0 2px;
    font-size: 18px;
    font-weight: 700;
}

.draft-detail-subtitle {
    margin: 0;
    font-size: 12px;
    color: var(--text-dim);
    font-family: 'Cascadia Code', 'Consolas', monospace;
}

.draft-section-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 8px;
}

.draft-recipients-section {
    display: flex;
    flex-direction: column;
}

.draft-preview-section {
    display: flex;
    flex-direction: column;
}

.draft-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 8px;
}

.draft-preview-header .draft-section-label {
    margin-bottom: 0;
}

.draft-preview-frame-wrap {
    background: #fff;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    overflow: hidden;
    height: 620px;
    position: relative;
}

.draft-preview-frame {
    width: 100%;
    height: 100%;
    border: none;
}

.recipient-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 160px;
    overflow-y: auto;
    background: var(--bg-panel-2);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px;
}

.recipient-chip {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--text);
    white-space: nowrap;
}

.draft-detail-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

.btn-reject {
    min-width: 120px;
}

.btn-approve {
    min-width: 200px;
}