:root {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --app-gradient: linear-gradient(135deg, rgba(13,110,253,0.08), rgba(32,201,151,0.08));
}

body.app-body {
    min-height: 100vh;
    background: var(--app-gradient);
    color: var(--bs-body-color);
}

.navbar .nav-link i {
    margin-right: .5rem;
}

.alert-stack > .alert + .alert {
    margin-top: .75rem;
}

.card.kpi-card {
    border-radius: 1rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(6px);
}

[data-bs-theme="dark"] .card.kpi-card {
    background: rgba(33, 37, 41, 0.85);
}

.badge.bg-gradient {
    background: linear-gradient(135deg, #0d6efd, #6610f2);
    color: #fff;
}

.table > :not(caption) > * > * {
    vertical-align: middle;
}

.chat-window {
    height: 65vh;
    overflow-y: auto;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.65);
}

[data-bs-theme="dark"] .chat-window {
    background: rgba(33, 37, 41, 0.65);
}

.message {
    margin-bottom: 1.25rem;
    display: flex;
}

.message.agent {
    justify-content: flex-end;
}

.message .bubble {
    padding: .85rem 1rem;
    border-radius: 1.25rem;
    max-width: 75%;
    background: var(--bs-body-bg);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.message.agent .bubble {
    background: linear-gradient(135deg, #0d6efd, #0b5ed7);
    color: #fff;
}

.message .bubble audio,
.message .bubble video {
    width: 100%;
    border-radius: .75rem;
    margin-top: .25rem;
}

.message .bubble a.btn-outline-secondary {
    margin-top: .25rem;
}

.template-list {
    max-height: 24rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.template-card {
    padding: .75rem 1rem;
    border-radius: .85rem;
    background: rgba(248, 249, 250, 0.9);
    border: 1px solid rgba(13, 110, 253, 0.08);
}

[data-bs-theme="dark"] .template-card {
    background: rgba(33, 37, 41, 0.9);
    border-color: rgba(13, 110, 253, 0.25);
}

.avatar {
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background-color: rgba(13, 110, 253, 0.12);
    color: var(--bs-secondary-color);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    text-transform: uppercase;
    background-size: cover;
    background-position: center;
}

.avatar.avatar-sm {
    width: 2.5rem;
    height: 2.5rem;
    font-size: .95rem;
}

.avatar.avatar-lg {
    width: 3.5rem;
    height: 3.5rem;
    font-size: 1.2rem;
}

.avatar-has-image span[data-profile-fallback] {
    display: none;
}

.avatar-empty {
    background-color: rgba(108, 117, 125, 0.15);
    color: rgba(73, 80, 87, 0.8);
}

[data-bs-theme="dark"] .avatar {
    background-color: rgba(64, 123, 255, 0.25);
    color: rgba(233, 236, 239, 0.9);
}

[data-bs-theme="dark"] .avatar-empty {
    background-color: rgba(73, 80, 87, 0.35);
    color: rgba(222, 226, 230, 0.85);
}

[data-bs-theme="dark"] body.app-body {
    background: radial-gradient(circle at top, rgba(13,110,253,0.35), rgba(25,135,84,0.25) 45%, rgba(17,24,39,0.95));
    color: rgba(233, 236, 239, 0.92);
}

.navbar[data-bs-theme="dark"], [data-bs-theme="dark"] .navbar {
    background-color: rgba(15, 23, 42, 0.85) !important;
}

.btn-outline-primary {
    border-width: 2px;
}

.modal-content {
    border-radius: 1rem;
}

.table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.08);
}

[data-bs-theme="dark"] .table-hover tbody tr:hover {
    background-color: rgba(13, 110, 253, 0.2);
}

small.text-muted {
    color: rgba(108, 117, 125, 0.9) !important;
}

.toast-message {
    white-space: pre-line;
}

[data-bs-theme="dark"] small.text-muted {
    color: rgba(173, 181, 189, 0.9) !important;
}

.auth-hero {
    min-height: 100vh;
}

.auth-card {
    border-radius: 1.5rem;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(10px);
}

[data-bs-theme="dark"] .auth-card {
    background: rgba(33, 37, 41, 0.92);
}