:root {
    --tg-rojo: #b11226;
    --tg-rojo-oscuro: #7a0c19;
    --tg-rojo-claro: #ff4d5e;

    --tg-negro: #111111;
    --tg-gris-950: #0f0f0f;
    --tg-gris-900: #1b1b1b;
    --tg-gris-800: #2b2b2b;
    --tg-gris-700: #3a3a3a;
    --tg-gris-oscuro: #2b2b2b;
    --tg-gris: #6c757d;
    --tg-gris-claro: #f4f4f4;
    --tg-blanco: #ffffff;

    --tg-radio: 24px;
    --tg-sombra: 0 12px 28px rgba(0, 0, 0, 0.05);
    --tg-sombra-roja: 0 12px 24px rgba(177, 18, 38, 0.28);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: #111111;
    color: var(--tg-blanco);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 0.9rem;
}

a {
    text-decoration: none;
}

/* Layout general */
.tg-app {
    display: flex;
    min-height: 100vh;
    background: transparent;
}

/* Sidebar antiguo */
.tg-sidebar {
    width: 245px;
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(177, 18, 38, 0.30), transparent 38%),
        linear-gradient(180deg, #111111 0%, #222222 58%, #3a0007 100%);
    color: var(--tg-blanco);
    padding: 1rem 0.8rem;
    position: sticky;
    top: 0;
    align-self: flex-start;
}

.tg-brand {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.7rem 0.8rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    margin-bottom: 0.7rem;
}

.tg-brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 14px;
    background: var(--tg-rojo);
    display: grid;
    place-items: center;
    font-weight: 900;
    color: var(--tg-blanco);
}

.tg-brand-title {
    font-size: 0.92rem;
    font-weight: 900;
    line-height: 1.1;
    color: var(--tg-blanco);
}

.tg-brand-subtitle {
    display: block;
    font-size: 0.7rem;
    color: #cccccc;
    font-weight: 600;
}

.tg-menu-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.68rem 0.8rem;
    color: #ececec;
    border-radius: 16px;
    margin-bottom: 0.25rem;
    transition: all 0.18s ease;
    font-weight: 800;
}

.tg-menu-link i {
    color: #ff7b87;
}

.tg-menu-link:hover,
.tg-menu-link.active {
    background: var(--tg-rojo);
    color: var(--tg-blanco);
    transform: translateX(3px);
    box-shadow: var(--tg-sombra-roja);
}

.tg-menu-link:hover i,
.tg-menu-link.active i {
    color: var(--tg-blanco);
}

.tg-main {
    width: 100%;
    padding: 1rem;
    overflow-x: hidden;
    background: transparent;
}

/* Topbar */
.tg-topbar {
    background:
        radial-gradient(circle at top right, rgba(177, 18, 38, 0.25), transparent 35%),
        linear-gradient(135deg, #111111 0%, #292929 55%, #3a0007 100%);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: var(--tg-radio);
    padding: 0.9rem 1rem;
    box-shadow: var(--tg-sombra);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--tg-blanco);
}

.tg-title {
    margin: 0;
    font-weight: 900;
    color: var(--tg-blanco);
    font-size: clamp(1.15rem, 2vw, 1.7rem);
}

.tg-subtitle {
    margin: 0.15rem 0 0;
    color: #d6d6d6;
    font-size: 0.78rem;
}

/* Tarjetas */
.tg-card {
    background: rgba(255, 255, 255, 0.96);
    color: var(--tg-negro);
    border: 1px solid #e7e7e7;
    border-radius: var(--tg-radio);
    box-shadow: var(--tg-sombra);
    overflow: hidden;
}

.tg-card-header {
    padding: 0.9rem 1rem;
    background:
        radial-gradient(circle at top right, rgba(177, 18, 38, 0.25), transparent 35%),
        linear-gradient(135deg, #111111 0%, #292929 55%, #3a0007 100%);
    color: var(--tg-blanco);
    border-bottom: 3px solid var(--tg-rojo);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.tg-card-title {
    margin: 0;
    font-weight: 900;
    font-size: 0.95rem;
    color: var(--tg-blanco);
}

.tg-card-title i {
    color: var(--tg-rojo-claro);
}

.tg-card-body {
    padding: 0.9rem;
    color: var(--tg-negro);
}

/* Botones */
.btn-tg-red {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--tg-rojo);
    --bs-btn-border-color: var(--tg-rojo);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: var(--tg-rojo-oscuro);
    --bs-btn-hover-border-color: var(--tg-rojo-oscuro);
    border-radius: 999px;
    font-weight: 800;
}

.btn-tg-dark {
    --bs-btn-color: #fff;
    --bs-btn-bg: var(--tg-negro);
    --bs-btn-border-color: var(--tg-negro);
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #333333;
    --bs-btn-hover-border-color: #333333;
    border-radius: 999px;
    font-weight: 800;
}

.btn-icon {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 999px;
}

/* Formularios */
.form-control,
.form-select {
    border-radius: 14px;
    border-color: #d6d6d6;
    font-size: 0.86rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--tg-rojo);
    box-shadow: 0 0 0 4px rgba(177, 18, 38, 0.12);
}

.form-label {
    font-size: 0.76rem;
    font-weight: 900;
    color: #303030;
    margin-bottom: 0.25rem;
}

/* Badges y alertas */
.badge-tg {
    background: rgba(177, 18, 38, 0.12);
    color: var(--tg-rojo-oscuro);
    border: 1px solid rgba(177, 18, 38, 0.22);
    font-weight: 900;
}

.tg-alert {
    border-radius: 16px;
    border: none;
    box-shadow: var(--tg-sombra);
}

/* Modales */
.modal-content {
    border: 0;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.32);
}

.modal-header {
    background:
        radial-gradient(circle at top right, rgba(177, 18, 38, 0.25), transparent 35%),
        linear-gradient(135deg, #111111 0%, #292929 55%, #3a0007 100%);
    color: var(--tg-blanco);
    border-bottom: 3px solid var(--tg-rojo);
}

.modal-title {
    font-weight: 900;
}

.modal-body {
    background: var(--tg-blanco);
    color: var(--tg-negro);
}

.modal-footer {
    background: #f8f8f8;
    border-top: 1px solid #eeeeee;
}

.btn-close.btn-close-white {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* Responsive */
@media (max-width: 992px) {
    .tg-app {
        display: block;
    }

    .tg-sidebar {
        width: 100%;
        min-height: auto;
        position: relative;
        padding: 0.6rem;
    }

    .tg-menu-scroll {
        display: flex;
        gap: 0.35rem;
        overflow-x: auto;
        padding-bottom: 0.2rem;
    }

    .tg-menu-link {
        white-space: nowrap;
        margin-bottom: 0;
    }

    .tg-brand {
        border-bottom: 0;
        padding-bottom: 0.5rem;
        margin-bottom: 0.2rem;
    }

    .tg-main {
        padding: 0.7rem;
    }

    .tg-topbar {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 576px) {
    body {
        font-size: 0.84rem;
    }

    .tg-card-body,
    .tg-main {
        padding: 0.6rem;
    }

    .btn,
    .form-control,
    .form-select {
        font-size: 0.82rem;
    }
}