:root {
    --color-primary: #12324A;
    --color-primary-dark: #0B1F33;
    --color-primary-medium: #1E5A7A;
    --color-accent: #B08D57;
    --color-bg: #F4F6F8;
    --color-surface: #FFFFFF;
    --color-surface-alt: #F8FAFC;
    --color-border: #D8DEE6;
    --color-text: #1F2933;
    --color-muted: #5B6773;
    --color-success: #2E7D32;
    --color-warning: #B7791F;
    --color-danger: #B42318;
    --color-info: #2563A8;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --shadow-sm: 0 1px 2px rgba(15, 31, 51, 0.08);
    --shadow-md: 0 8px 24px rgba(15, 31, 51, 0.10);
    --shadow-lg: 0 18px 40px rgba(11, 31, 51, 0.12);
}

* {
    box-sizing: border-box;
}

html, body {
    min-height: 100%;
}

body {
    margin: 0;
    font-family: Inter, "Segoe UI", Roboto, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
}

a {
    color: var(--color-primary-medium);
    text-decoration: none;
}

a:hover {
    color: var(--color-primary);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: var(--color-primary-dark);
}

.eyebrow-text {
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    font-weight: 700;
}

.app-body {
    background: var(--color-bg);
}

.app-shell {
    display: grid;
    grid-template-columns: 290px minmax(0, 1fr);
    min-height: 100vh;
    align-items: start;
}

.sidebar {
    width: 290px;
    min-width: 290px;
    position: sticky;
    top: 0;
    height: 100vh;
    background: var(--color-primary-dark);
    color: #fff;
    padding: 1.5rem 1.15rem;
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
}

.sidebar-header,
.brand-block,
.panel-header,
.topbar-main,
.topbar-user,
.topbar-user-card,
.metric-card-head,
.message-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-header {
    margin-bottom: 1.75rem;
}

.brand-mark {
    width: 58px;
    height: 58px;
    display: grid;
    place-items: center;
    border-radius: 12px;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.08em;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

.brand-mark.small {
    width: 44px;
    height: 44px;
}

.sidebar-caption {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.84rem;
}

.text-dark-muted {
    color: var(--color-muted);
}

.nav-group-label {
    margin: 1.6rem 0 0.6rem;
    padding: 0 0.7rem;
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.48);
}

.app-nav {
    gap: 0.3rem;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.74);
    border-left: 4px solid transparent;
    border-radius: 0;
    padding: 0.78rem 0.9rem;
    font-weight: 500;
    transition: all 0.18s ease;
}

.sidebar .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.sidebar .nav-link.active {
    color: #fff;
    background: var(--color-primary-medium);
    border-left-color: var(--color-accent);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.main-content {
    min-width: 0;
    padding: 1.65rem;
}

.page-shell {
    width: min(100%, 1320px);
    margin: 0 auto;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.3rem 1.45rem;
    box-shadow: var(--shadow-sm);
    margin-bottom: 1.4rem;
}

.topbar-user {
    justify-content: flex-end;
}

.topbar-user-card {
    background: var(--color-surface-alt);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 0.35rem 0.8rem 0.35rem 0.35rem;
}

.topbar-avatar {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: var(--color-primary);
    color: #fff;
    font-weight: 700;
}

.sidebar-toggle {
    display: inline-flex;
    width: 42px;
    height: 42px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

.page-title {
    margin: 0.1rem 0 0;
    font-size: 1.7rem;
}

.page-subtitle {
    margin: 0.35rem 0 0;
    color: var(--color-muted);
    max-width: 70ch;
}

.panel,
.metric-card,
.protocol-card,
.sources-panel {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.panel {
    padding: 1.25rem;
    margin-bottom: 1.2rem;
}

.panel-header {
    justify-content: space-between;
    margin-bottom: 1rem;
}

.panel-header h2,
.section-title {
    margin: 0;
    font-size: 1.08rem;
}

.panel-subtitle {
    margin: 0.2rem 0 0;
    font-size: 0.9rem;
    color: var(--color-muted);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-bottom: 1.2rem;
}

.metric-card {
    padding: 1rem 1.1rem;
    transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.metric-card:hover,
.panel:hover {
    box-shadow: var(--shadow-md);
}

.metric-card:hover {
    transform: translateY(-2px);
}

.metric-card-head {
    justify-content: space-between;
    margin-bottom: 0.65rem;
}

.metric-card-label {
    font-size: 0.86rem;
    color: var(--color-muted);
    font-weight: 600;
}

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

.metric-card-note {
    color: var(--color-muted);
    font-size: 0.84rem;
}

.metric-card.metric-accent {
    border-top: 3px solid var(--color-accent);
}

.metric-card.metric-warning {
    border-top: 3px solid var(--color-warning);
}

.btn {
    min-height: 42px;
    border-radius: var(--radius-md);
    font-weight: 600;
    padding: 0.65rem 1rem;
    transition: all 0.18s ease;
}

.btn-primary-corp {
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    color: #fff;
    box-shadow: var(--shadow-sm);
}

.btn-primary-corp:hover {
    background: var(--color-primary-medium);
    border-color: var(--color-primary-medium);
    color: #fff;
}

.btn-secondary-corp {
    background: #fff;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
}

.btn-secondary-corp:hover,
.btn-outline-corp:hover {
    background: var(--color-surface-alt);
    color: var(--color-primary-dark);
}

.btn-outline-corp {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
}

.btn-danger-corp {
    background: #fff;
    border: 1px solid rgba(180, 35, 24, 0.25);
    color: var(--color-danger);
}

.btn-success-corp {
    background: var(--color-success);
    border: 1px solid var(--color-success);
    color: #fff;
}

.btn-warning-corp {
    background: #fff;
    border: 1px solid rgba(183, 121, 31, 0.25);
    color: var(--color-warning);
}

.btn:disabled,
.btn.disabled {
    opacity: 0.72;
    cursor: not-allowed;
}

.form-label {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    margin-bottom: 0.45rem;
}

.form-text {
    color: var(--color-muted);
    font-size: 0.84rem;
}

.form-control,
.form-select,
textarea.form-control {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 0.78rem 0.88rem;
    background: #fff;
    box-shadow: inset 0 1px 1px rgba(15, 31, 51, 0.02);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--color-primary-medium);
    box-shadow: 0 0 0 4px rgba(30, 90, 122, 0.12);
}

.form-section {
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface-alt);
}

.form-section-title {
    margin-bottom: 0.85rem;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-primary-dark);
}

.table-responsive {
    border-radius: var(--radius-md);
}

.table-corporate {
    margin-bottom: 0;
}

.table-corporate thead th {
    background: var(--color-surface-alt);
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
    font-size: 0.84rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 0.9rem 0.85rem;
}

.table-corporate td {
    padding: 0.95rem 0.85rem;
    border-color: #e8edf2;
    vertical-align: middle;
}

.table-corporate tbody tr {
    transition: background 0.16s ease;
}

.table-corporate tbody tr:hover {
    background: #fbfdff;
}

.badge-status,
.status-pill,
.waiting-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border-radius: 999px;
    padding: 0.34rem 0.7rem;
    font-size: 0.79rem;
    font-weight: 700;
    border: 1px solid transparent;
}

.badge-pending {
    background: rgba(183, 121, 31, 0.12);
    color: var(--color-warning);
    border-color: rgba(183, 121, 31, 0.18);
}

.badge-ai {
    background: rgba(37, 99, 168, 0.1);
    color: var(--color-info);
    border-color: rgba(37, 99, 168, 0.16);
}

.badge-legal,
.badge-approved {
    background: rgba(46, 125, 50, 0.1);
    color: var(--color-success);
    border-color: rgba(46, 125, 50, 0.15);
}

.badge-draft {
    background: #eef2f6;
    color: var(--color-muted);
    border-color: #dce4ec;
}

.badge-inactive {
    background: rgba(180, 35, 24, 0.08);
    color: var(--color-danger);
    border-color: rgba(180, 35, 24, 0.16);
}

.badge-reopened {
    background: rgba(176, 141, 87, 0.14);
    color: #8d6a31;
    border-color: rgba(176, 141, 87, 0.2);
}

.waiting-badge {
    background: rgba(176, 141, 87, 0.12);
    color: #8d6a31;
    border-color: rgba(176, 141, 87, 0.18);
}

.notice-card,
.source-card,
.message-block,
.protocol-card {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
}

.notice-card,
.source-card,
.message-block {
    padding: 1rem;
}

.protocol-card {
    overflow: hidden;
}

.protocol-card-head {
    padding: 0.95rem 1rem;
    background: var(--color-surface-alt);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.protocol-card-body {
    padding: 1rem;
}

.conversation-stream {
    display: grid;
    gap: 0.85rem;
}

.message-block {
    border-left: 4px solid transparent;
}

.message-user {
    border-left-color: var(--color-primary);
}

.message-ai {
    border-left-color: var(--color-primary-medium);
}

.message-legal {
    border-left-color: var(--color-accent);
}

.message-system {
    border-left-color: var(--color-warning);
}

.message-meta {
    justify-content: space-between;
    margin-bottom: 0.4rem;
    color: var(--color-muted);
    font-size: 0.84rem;
}

.detail-grid {
    display: grid;
    gap: 1rem;
}

.detail-row {
    display: grid;
    gap: 0.3rem;
}

.detail-label {
    color: var(--color-muted);
    font-size: 0.83rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}

.sources-list {
    display: grid;
    gap: 0.8rem;
}

.source-meta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.45rem;
}

.app-toast {
    position: relative;
    min-width: 280px;
    max-width: 360px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-info);
    border-radius: var(--radius-md);
    padding: 0.9rem 2.1rem 0.9rem 1rem;
    box-shadow: var(--shadow-md);
}

.app-toast-success {
    border-left-color: var(--color-success);
}

.app-toast-danger {
    border-left-color: var(--color-danger);
}

.app-toast-title {
    font-weight: 700;
    margin-bottom: 0.1rem;
}

.app-toast-message {
    color: var(--color-muted);
    font-size: 0.92rem;
}

.toast-stack {
    position: fixed;
    top: 1rem;
    right: 1rem;
    z-index: 1080;
    display: grid;
    gap: 0.75rem;
}

.toast-close {
    position: absolute;
    top: 0.45rem;
    right: 0.55rem;
    border: 0;
    background: transparent;
    color: var(--color-muted);
    font-size: 1.2rem;
    line-height: 1;
}

.loading-inline {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    color: var(--color-muted);
}

.password-field {
    display: grid;
    gap: 0.45rem;
}

.password-strength-bar {
    height: 7px;
    background: #E5EAF0;
    border-radius: 999px;
    overflow: hidden;
    margin-top: 0.1rem;
}

.password-strength-fill {
    height: 100%;
    width: 0;
    transition: width .2s ease;
    background: var(--color-border);
}

.password-strength-fill.strength-very-weak {
    background: var(--color-danger);
}

.password-strength-fill.strength-weak {
    background: #C05621;
}

.password-strength-fill.strength-medium {
    background: var(--color-warning);
}

.password-strength-fill.strength-strong {
    background: var(--color-info);
}

.password-strength-fill.strength-very-strong {
    background: var(--color-success);
}

.password-strength-label {
    color: var(--color-muted);
    font-size: 0.84rem;
}

.password-rules {
    margin: 0;
    padding-left: 0;
    list-style: none;
    font-size: 13px;
    color: var(--color-muted);
}

.password-rules li {
    margin-bottom: 4px;
}

.password-rules li::before {
    content: "•";
    margin-right: 6px;
    color: var(--color-border);
}

.password-rules li.valid {
    color: var(--color-success);
}

.password-rules li.valid::before {
    content: "✓";
    color: var(--color-success);
}

.section-stack {
    display: grid;
    gap: 1rem;
}

.empty-state {
    padding: 1rem;
    border: 1px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-muted);
    background: #fcfdff;
}

.utility-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (max-width: 1100px) {
    .card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 991px) {
    .app-shell {
        grid-template-columns: 1fr;
    }

    .sidebar {
        width: 290px;
        position: fixed;
        inset: 0 auto 0 0;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        z-index: 1055;
    }

    .sidebar.sidebar-open {
        transform: translateX(0);
    }

    .topbar {
        flex-direction: column;
    }
}

@media (max-width: 767px) {
    .main-content {
        padding: 1rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }

    .topbar-user {
        width: 100%;
        justify-content: space-between;
    }

    .toast-stack {
        left: 1rem;
        right: 1rem;
    }

    .app-toast {
        max-width: none;
        min-width: 0;
    }
}