/* ─── LaNombre Webmail ────────────────────────────────────────────────────── */
:root {
    --bg: #0f1117;
    --bg-2: #181c27;
    --bg-3: #1e2333;
    --border: rgba(255, 255, 255, 0.07);
    --text: #e8eaf0;
    --text-dim: rgba(255, 255, 255, 0.45);
    --accent: #00d4d4;
    --accent-2: #0099aa;
    --danger: #ff4d6d;
    --radius: 10px;
    --sidebar-w: 230px;
    --list-w: 320px;
}

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

html,
body {
    height: 100%;
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
}

/* ─── Login ──────────────────────────────────────────────────────────────── */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(ellipse at 60% 40%, rgba(0, 212, 212, 0.08) 0%, transparent 60%), var(--bg);
}

.login-card {
    width: 380px;
    padding: 2.5rem;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.5);
}

.login-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.login-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.login-error {
    background: rgba(255, 77, 109, 0.12);
    border: 1px solid rgba(255, 77, 109, 0.3);
    color: #ff4d6d;
    padding: 0.6rem 0.9rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.85rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-dim);
    margin-bottom: 0.4rem;
    font-weight: 500;
}

.input-field {
    width: 100%;
    padding: 0.65rem 0.85rem;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.input-field:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(0, 212, 212, 0.1);
}

.btn-primary {
    width: 100%;
    padding: 0.75rem;
    background: var(--accent);
    color: #0a1a1a;
    font-weight: 700;
    font-size: 0.95rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.btn-primary:hover {
    background: var(--accent-2);
}

.btn-primary:active {
    transform: scale(0.98);
}

/* ─── App Layout ─────────────────────────────────────────────────────────── */
.app {
    display: flex;
    height: 100vh;
    overflow: hidden;
}

/* ─── Sidebar ────────────────────────────────────────────────────────────── */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-2);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    color: #0a1a1a;
    flex-shrink: 0;
}

.user-email {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-domain {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.btn-compose {
    width: 100%;
    padding: 0.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: rgba(0, 212, 212, 0.12);
    border: 1px solid rgba(0, 212, 212, 0.25);
    color: var(--accent);
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    font-weight: 600;
    transition: background 0.2s;
}

.btn-compose:hover {
    background: rgba(0, 212, 212, 0.2);
}

.folder-list {
    flex: 1;
    padding: 0.75rem 0.5rem;
    overflow-y: auto;
}

.folder-item {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.55rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-dim);
    font-size: 0.85rem;
    transition: background 0.15s, color 0.15s;
    position: relative;
}

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

.folder-item.active {
    background: rgba(0, 212, 212, 0.1);
    color: var(--accent);
    font-weight: 500;
}

.unread-badge {
    margin-left: auto;
    background: var(--accent);
    color: #0a1a1a;
    font-size: 0.68rem;
    font-weight: 700;
    border-radius: 10px;
    padding: 0 6px;
    min-width: 18px;
    text-align: center;
    line-height: 18px;
}

.unread-badge:empty {
    display: none;
}

.sidebar-logout {
    margin: 0.75rem;
    padding: 0.55rem;
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-dim);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    transition: border-color 0.2s, color 0.2s;
}

.sidebar-logout:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* ─── Message List Pane ──────────────────────────────────────────────────── */
.message-list-pane {
    width: var(--list-w);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    background: var(--bg);
}

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

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

.btn-icon {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 0.35rem;
    border-radius: 6px;
    transition: color 0.2s;
}

.btn-icon:hover {
    color: var(--accent);
}

.message-list {
    flex: 1;
    overflow-y: auto;
}

.message-item {
    padding: 0.9rem 1.25rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background 0.15s;
    position: relative;
}

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

.message-item.active {
    background: rgba(0, 212, 212, 0.06);
    border-left: 3px solid var(--accent);
}

.message-item.unread .msg-sender {
    font-weight: 700;
    color: var(--text);
}

.message-item.unread::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    margin-left: 6px;
}

.msg-sender {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dim);
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    justify-content: space-between;
}

.msg-sender .msg-time {
    font-size: 0.75rem;
    color: var(--text-dim);
    flex-shrink: 0;
    margin-left: 0.5rem;
}

.msg-subject {
    font-size: 0.85rem;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.msg-preview {
    font-size: 0.78rem;
    color: var(--text-dim);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-top: 0.2rem;
}

.loading-state {
    padding: 2rem;
    text-align: center;
    color: var(--text-dim);
    font-size: 0.85rem;
}

.pagination {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.btn-page {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    padding: 0.35rem 0.75rem;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    transition: border-color 0.2s, color 0.2s;
}

.btn-page:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-page:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

#pageIndicator {
    font-size: 0.8rem;
    color: var(--text-dim);
}

/* ─── Reader Pane ────────────────────────────────────────────────────────── */
.reader-pane {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg);
}

.reader-empty {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.reader-header {
    padding: 1.5rem 2rem 1rem;
    border-bottom: 1px solid var(--border);
}

.reader-header h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.reader-meta {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1rem;
}

.reader-meta span {
    font-size: 0.8rem;
    color: var(--text-dim);
}

.reader-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-action {
    padding: 0.4rem 0.9rem;
    border-radius: 7px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    background: var(--bg-3);
    border: 1px solid var(--border);
    color: var(--text);
    transition: background 0.15s, border-color 0.15s;
}

.btn-action:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.15);
}

.btn-action.danger {
    color: var(--danger);
    border-color: rgba(255, 77, 109, 0.3);
}

.btn-action.danger:hover {
    background: rgba(255, 77, 109, 0.1);
}

.reader-body {
    flex: 1;
    padding: 1.5rem 2rem;
    overflow-y: auto;
    line-height: 1.7;
    font-size: 0.9rem;
    color: var(--text);
}

.reader-body a {
    color: var(--accent);
}

/* ─── Compose Modal ──────────────────────────────────────────────────────── */
.modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    backdrop-filter: blur(4px);
}

.modal-card {
    width: 640px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.modal-header {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    font-size: 1.1rem;
    transition: color 0.2s;
}

.btn-close:hover {
    color: var(--danger);
}

.compose-field {
    padding: 0.6rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.compose-field label {
    font-size: 0.75rem;
    color: var(--text-dim);
    width: 50px;
    flex-shrink: 0;
    font-weight: 500;
}

.compose-field .input-field {
    border: none;
    background: none;
    padding: 0;
    border-radius: 0;
}

.compose-toolbar {
    padding: 0.5rem 1.25rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0.25rem;
}

.compose-toolbar button {
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 5px;
    font-size: 0.85rem;
    transition: background 0.15s, color 0.15s;
}

.compose-toolbar button:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text);
}

.compose-body {
    flex: 1;
    padding: 1.25rem;
    min-height: 180px;
    outline: none;
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.7;
    overflow-y: auto;
}

.compose-body:empty::before {
    content: attr(placeholder);
    color: var(--text-dim);
}

.compose-footer {
    padding: 0.9rem 1.25rem;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 0.75rem;
}

.btn-secondary {
    padding: 0.65rem 1.25rem;
    background: none;
    border: 1px solid var(--border);
    color: var(--text-dim);
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 500;
    transition: border-color 0.2s, color 0.2s;
}

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

/* ─── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
    width: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}