/* SRM — Stakeholder Relationship Management Styles */
:root {
    --bg: #0f1117;
    --bg-card: #1a1d26;
    --bg-sidebar: #141720;
    --bg-input: #22263a;
    --bg-hover: #262a3e;
    --border: #2a2e3f;
    --border-focus: #4f7df9;
    --text: #e1e4eb;
    --text-muted: #8b8fa3;
    --text-dim: #5a5e72;
    --primary: #4f7df9;
    --primary-hover: #3d69e0;
    --primary-soft: rgba(79,125,249,0.08);
    --success: #22c55e;
    --success-soft: rgba(34,197,94,0.12);
    --warning: #f59e0b;
    --warning-soft: rgba(245,158,11,0.12);
    --danger: #ef4444;
    --danger-soft: rgba(239,68,68,0.12);
    --radius: 8px;
    --radius-lg: 12px;
    --shadow: 0 2px 8px rgba(0,0,0,0.25);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.4);
    --transition: 0.2s ease;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

::selection { background: var(--primary); color: #fff; }

.screen { display: none; }
.screen.active { display: flex; }

/* ── Login ────────────────────────────────────────────────── */
#login-screen {
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: radial-gradient(ellipse at 50% 0%, rgba(79,125,249,0.08) 0%, transparent 60%);
}

.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.login-card h1 {
    font-size: 2rem;
    margin-bottom: 0.25rem;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.login-card .subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.9rem;
}

.login-card input {
    width: 100%;
    padding: 0.75rem 1rem;
    margin-bottom: 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.95rem;
    transition: border-color var(--transition);
}

.login-card input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,125,249,0.15);
}

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

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.6rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-input);
    color: var(--text);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
}

.btn:hover { background: var(--bg-hover); border-color: var(--text-muted); }
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; pointer-events: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.success { background: var(--success); border-color: var(--success); color: #fff; }
.btn.danger { background: transparent; border-color: var(--danger); color: var(--danger); }
.btn.danger:hover { background: var(--danger); color: #fff; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--bg-hover); }
.btn.icon { padding: 0.5rem; border: none; background: transparent; font-size: 1.2rem; }
.btn.sm { padding: 0.3rem 0.65rem; font-size: 0.8rem; border-radius: 6px; }
.btn-group { display: flex; gap: 0.5rem; }

/* ── Main Layout ──────────────────────────────────────────── */
#main-screen {
    min-height: 100vh;
}

#sidebar {
    width: 250px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform 0.25s ease;
}

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

.sidebar-header h2 {
    color: var(--primary);
    font-size: 1.3rem;
    letter-spacing: -0.02em;
}

#user-badge {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-top: 0.15rem;
}

.nav-menu {
    list-style: none;
    padding: 0.5rem 0;
    flex: 1;
    overflow-y: auto;
}

.nav-section {
    padding: 1rem 1.25rem 0.35rem;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    color: var(--text-dim);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.25rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.875rem;
    border-left: 3px solid transparent;
    transition: all var(--transition);
}

.nav-link:hover { color: var(--text); background: var(--bg-input); }
.nav-link.active {
    border-left-color: var(--primary);
    color: var(--primary);
    background: var(--primary-soft);
    font-weight: 500;
}

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

.sidebar-footer .btn { width: 100%; justify-content: center; }

/* ── Content ──────────────────────────────────────────────── */
#content {
    margin-left: 250px;
    min-height: 100vh;
}

#page-header {
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-sidebar);
    position: sticky;
    top: 0;
    z-index: 50;
    backdrop-filter: blur(8px);
}

#menu-toggle { display: none; }

#page-title { font-size: 1.1rem; font-weight: 600; }

#page-content {
    padding: 1.5rem;
    max-width: 1400px;
}

/* ── Cards ────────────────────────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    margin-bottom: 1rem;
    transition: border-color var(--transition);
}

.card:hover { border-color: #3a3e52; }
.card h4 { margin-bottom: 0.5rem; font-size: 1rem; }
.card p { color: var(--text-muted); font-size: 0.9rem; }

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

/* ── Stat Grid ────────────────────────────────────────────── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.25rem;
    text-align: center;
    transition: all var(--transition);
    cursor: pointer;
}

.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1.1;
}

.stat-card .stat-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ── Data Table ───────────────────────────────────────────── */
.table-wrap {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-bottom: 1rem;
}

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

.data-table th,
.data-table td {
    padding: 0.7rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-size: 0.875rem;
}

.data-table th {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    font-weight: 600;
    background: var(--bg-sidebar);
    position: sticky;
    top: 0;
}

.data-table tbody tr { transition: background var(--transition); }
.data-table tbody tr:hover { background: var(--primary-soft); }
.data-table tbody tr:last-child td { border-bottom: none; }
.data-table .clickable { cursor: pointer; }
.data-table .empty-row td { text-align: center; padding: 2.5rem; color: var(--text-muted); }
.data-table .actions-cell { display: flex; gap: 0.3rem; }

/* ── Toolbar ──────────────────────────────────────────────── */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.toolbar .toolbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex: 1;
}

.toolbar .record-count {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
}

.search-input {
    padding: 0.5rem 0.75rem;
    padding-left: 2rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.875rem;
    width: 260px;
    max-width: 100%;
    transition: all var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,125,249,0.15);
    width: 320px;
}

.search-wrap {
    position: relative;
}

.search-wrap::before {
    content: "🔍";
    position: absolute;
    left: 0.6rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.75rem;
    opacity: 0.5;
}

/* ── Badges ───────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 0.2rem 0.55rem;
    border-radius: 5px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.badge.active, .badge.open, .badge.ACTIVE { background: var(--success-soft); color: var(--success); }
.badge.closed, .badge.disabled, .badge.INACTIVE { background: rgba(139,143,163,0.15); color: var(--text-muted); }
.badge.warning, .badge.training, .badge.pending { background: var(--warning-soft); color: var(--warning); }
.badge.danger, .badge.overdue { background: var(--danger-soft); color: var(--danger); }
.badge.primary, .badge.draft, .badge.new, .badge.NEW { background: rgba(79,125,249,0.15); color: var(--primary); }

/* ── Forms ────────────────────────────────────────────────── */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.form-group.full-width { grid-column: 1 / -1; }

.form-group label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.6rem 0.75rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
    transition: all var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,125,249,0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }

.form-group textarea { min-height: 100px; resize: vertical; font-family: inherit; }

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b8fa3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2rem;
}

.form-group .field-hint {
    font-size: 0.7rem;
    color: var(--text-dim);
}

.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.65);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 4vh;
    z-index: 200;
    animation: fadeIn 0.15s ease;
}

.modal {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 720px;
    max-height: 88vh;
    overflow-y: auto;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.2s ease;
}

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

.modal-header h3 { font-size: 1.1rem; }

/* ── Detail View ──────────────────────────────────────────── */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.25rem;
}

.detail-field label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.detail-field .value {
    font-size: 0.95rem;
    color: var(--text);
    padding: 0.4rem 0;
}

.detail-field .value.empty { color: var(--text-dim); font-style: italic; }

/* ── Chat Interface ───────────────────────────────────────── */
.chat-container {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 200px);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.chat-msg {
    max-width: 75%;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    line-height: 1.55;
    word-wrap: break-word;
}

.chat-msg.user {
    align-self: flex-end;
    background: var(--primary);
    color: #fff;
    border-bottom-right-radius: 4px;
}

.chat-msg.assistant {
    align-self: flex-start;
    background: var(--bg-input);
    border-bottom-left-radius: 4px;
}

.chat-msg.system {
    align-self: center;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-style: italic;
}

.chat-input {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    border-top: 1px solid var(--border);
    background: var(--bg-sidebar);
}

.chat-input input {
    flex: 1;
    padding: 0.65rem 0.85rem;
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 0.9rem;
}

.chat-input input:focus {
    outline: none;
    border-color: var(--primary);
}

/* ── Toast Notifications ──────────────────────────────────── */
#toast-container {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    pointer-events: none;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    pointer-events: auto;
    animation: slideIn 0.25s ease;
    max-width: 380px;
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.info { border-left: 3px solid var(--primary); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.leaving { animation: slideOut 0.2s ease forwards; }

.toast .toast-icon { font-size: 1rem; flex-shrink: 0; }
.toast .toast-msg { flex: 1; }
.toast .toast-close {
    cursor: pointer;
    opacity: 0.5;
    font-size: 1rem;
    border: none;
    background: none;
    color: var(--text);
    padding: 0;
}
.toast .toast-close:hover { opacity: 1; }

/* ── Pagination ───────────────────────────────────────────── */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.pagination .page-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0 0.5rem;
}

/* ── Empty State ──────────────────────────────────────────── */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 2.5rem; margin-bottom: 0.75rem; opacity: 0.4; }
.empty-state p { font-size: 0.9rem; }

/* ── Animations ───────────────────────────────────────────── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideIn { from { opacity: 0; transform: translateX(100px); } to { opacity: 1; transform: translateX(0); } }
@keyframes slideOut { from { opacity: 1; transform: translateX(0); } to { opacity: 0; transform: translateX(100px); } }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Loading ──────────────────────────────────────────────── */
.spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

.loading-center {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
    flex-direction: column;
    gap: 0.75rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* ── Tabs ─────────────────────────────────────────────────── */
.tab-bar {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 1.25rem;
}

.tab-btn {
    padding: 0.6rem 1.25rem;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition);
}

.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
    #sidebar { transform: translateX(-100%); }
    #sidebar.open { transform: translateX(0); }
    #content { margin-left: 0; }
    #menu-toggle { display: block; }
    #page-content { padding: 1rem; }
    .form-grid { grid-template-columns: 1fr; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); }
    .search-input, .search-input:focus { width: 100%; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar .toolbar-left { flex-wrap: wrap; }
    .modal { margin: 0 0.75rem; max-height: 92vh; }
    .detail-grid { grid-template-columns: 1fr; }
}