:root {
    --campus-white: #ffffff;
    --campus-bg: #f4f8f5;
    --campus-green-900: #123c2f;
    --campus-green-800: #1b5b49;
    --campus-green-700: #26725d;
    --campus-green-500: #3d8f75;
    --campus-green-300: #8cc8b4;
    --campus-gray-700: #384844;
    --campus-gray-500: #6b7d78;
    --campus-border: #d7e6df;
    --campus-shadow: 0 10px 30px rgba(18, 60, 47, 0.08);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Source Sans 3', sans-serif;
    background: radial-gradient(circle at 0% 0%, #e9f5ef 0%, var(--campus-bg) 35%, #f9fbfa 100%);
    color: var(--campus-gray-700);
}

h1,
h2,
h3,
h4,
h5,
h6,
.brand-title {
    font-family: 'Montserrat', sans-serif;
}

.app-layout {
    min-height: 100vh;
    display: flex;
}

.sidebar {
    width: 280px;
    background: linear-gradient(180deg, var(--campus-green-900), var(--campus-green-800));
    color: var(--campus-white);
    padding: 1.5rem 1.1rem;
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 1040;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 1.2rem 0.6rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 1rem;
    text-align: center;
}

.brand-icon {
    width: 120px;
    height: 120px;
    border-radius: 0;
    display: grid;
    place-items: center;
    background: transparent;
    flex-shrink: 0;
}

.brand-initials {
    font-family: 'Montserrat', sans-serif;
    font-weight: 800;
    font-size: 0.88rem;
    color: #fff;
    letter-spacing: 0.5px;
}

.brand-logo {
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
}

.brand-text {
    min-width: 0;
}

.brand-title {
    font-weight: 700;
    font-size: 0.82rem;
    letter-spacing: 0.1px;
    line-height: 1.35;
    color: #fff;
}

.brand-title-secondary {
    font-weight: 600;
    font-size: 0.78rem;
    opacity: 0.9;
}

.brand-subtitle {
    display: block;
    opacity: 0.75;
    font-size: 0.72rem;
    margin-top: 0.1rem;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    padding: 0.7rem 0.85rem;
    border-radius: 10px;
    color: rgba(255, 255, 255, 0.92);
    text-decoration: none;
    transition: all 0.2s ease;
}

.sidebar-link:hover,
.sidebar-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: var(--campus-white);
}

.main-panel {
    flex: 1;
    margin-left: 280px;
    padding: 1.2rem 1.5rem 1.6rem;
    width: calc(100% - 280px);
}

.topbar {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid var(--campus-border);
    border-radius: 14px;
    box-shadow: var(--campus-shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    margin-bottom: 1.2rem;
}

.content-area {
    animation: reveal-up 0.5s ease;
}

.hero-panel {
    background: linear-gradient(120deg, #ffffff 0%, #f3faf6 100%);
    border: 1px solid var(--campus-border);
    border-radius: 18px;
    padding: 1.3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--campus-shadow);
}

.hero-tag {
    display: inline-block;
    background: rgba(38, 114, 93, 0.12);
    color: var(--campus-green-800);
    padding: 0.24rem 0.55rem;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.8rem;
}

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

.stat-card {
    background: var(--campus-white);
    border: 1px solid var(--campus-border);
    border-radius: 16px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: var(--campus-shadow);
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(38, 114, 93, 0.12);
    color: var(--campus-green-800);
    display: grid;
    place-items: center;
}

.stat-label {
    margin: 0;
    color: var(--campus-gray-500);
    font-size: 0.88rem;
}

.stat-value {
    margin: 0;
    font-weight: 700;
}

.card-campus {
    border: 1px solid var(--campus-border);
    border-radius: 16px;
    box-shadow: var(--campus-shadow);
}

.card-header-campus {
    padding: 0.95rem 1rem;
    border-bottom: 1px solid var(--campus-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    background: #f7fbf9;
    border-top-left-radius: 16px;
    border-top-right-radius: 16px;
}

.quick-links {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.quick-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--campus-green-800);
    border: 1px solid var(--campus-border);
    border-radius: 10px;
    padding: 0.62rem 0.7rem;
    transition: all 0.2s ease;
}

.quick-link:hover {
    border-color: var(--campus-green-500);
    background: rgba(61, 143, 117, 0.08);
}

.dept-card {
    border: 1px solid var(--campus-border);
    border-radius: 12px;
    padding: 1rem;
    background: var(--campus-white);
}

.course-item {
    border: 1px solid var(--campus-border);
    border-radius: 12px;
    padding: 0.8rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.course-item + .course-item {
    margin-top: 0.8rem;
}

/* Mis Cursos — student course card grid */
.course-card-student {
    transition: box-shadow 0.22s ease, transform 0.22s ease;
}

.course-card-student:hover {
    box-shadow: 0 18px 44px rgba(18, 60, 47, 0.13);
    transform: translateY(-3px);
}

.progress-bar-campus {
    background: linear-gradient(90deg, #26725d, #3d8f75);
    border-radius: 99px;
}

/* Nav tabs inside cards (search/filter bar) */
.card .nav-tabs .nav-link {
    color: var(--campus-gray-500);
    border-radius: 8px 8px 0 0;
    padding: 0.45rem 0.9rem;
    font-size: 0.9rem;
    border-color: transparent;
}

.card .nav-tabs .nav-link:hover {
    color: var(--campus-green-800);
    border-color: transparent;
    background: rgba(38, 114, 93, 0.07);
}

.card .nav-tabs .nav-link.active {
    color: var(--campus-green-800);
    border-color: var(--campus-border) var(--campus-border) transparent;
    background: #fff;
}

.class-card {
    border: 1px solid var(--campus-border);
    border-radius: 12px;
    padding: 1rem;
    background: #fcfffd;
}

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

.btn-campus {
    background: linear-gradient(130deg, var(--campus-green-800), var(--campus-green-700));
    color: var(--campus-white);
    border: none;
    border-radius: 10px;
    padding: 0.56rem 1rem;
}

.btn-campus:hover,
.btn-campus:focus {
    color: var(--campus-white);
    background: linear-gradient(130deg, var(--campus-green-700), var(--campus-green-500));
}

.link-campus {
    color: var(--campus-green-800);
    text-decoration: none;
    font-weight: 600;
}

.link-campus:hover {
    color: var(--campus-green-700);
}

.auth-body {
    min-height: 100vh;
    background: radial-gradient(circle at 100% 0%, #dff1e8 0%, #eef7f2 35%, #ffffff 100%);
}

.auth-wrapper {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 2rem;
    max-width: 1080px;
    margin: 0 auto;
    padding: 2rem;
}

.auth-brand h1 {
    font-size: clamp(1.3rem, 2.8vw, 2rem);
    color: var(--campus-green-900);
    margin-bottom: 0.7rem;
    line-height: 1.35;
}

.auth-brand p {
    max-width: 440px;
    color: var(--campus-gray-500);
    font-size: 1.1rem;
}

.auth-quote {
    max-width: 460px;
    margin-top: 1.25rem;
    padding: 0.95rem 1rem;
    border-left: 4px solid var(--campus-green-500);
    background: rgba(61, 143, 117, 0.08);
    border-radius: 0 12px 12px 0;
}

.auth-quote-text {
    display: block;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    color: var(--campus-green-900);
    font-size: 1.08rem;
    line-height: 1.35;
}

.auth-quote-author {
    display: block;
    margin-top: 0.45rem;
    color: var(--campus-gray-700);
    font-size: 0.95rem;
}

.auth-brand-logo {
    max-width: 280px;
    width: 100%;
    height: auto;
    margin-bottom: 1.5rem;
    display: block;
}

.auth-card-logo {
    max-width: 120px;
    height: auto;
}

.auth-card {
    border: 1px solid var(--campus-border);
    border-radius: 18px;
    box-shadow: var(--campus-shadow);
}

.form-control,
.form-select {
    border-color: var(--campus-border);
    border-radius: 10px;
    padding: 0.65rem 0.75rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--campus-green-500);
    box-shadow: 0 0 0 0.2rem rgba(61, 143, 117, 0.2);
}

.course-geo-picker {
    border: 1px solid var(--campus-border);
    border-radius: 12px;
    padding: 0.75rem;
    background: #f9fcfb;
}

.course-geo-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.course-geo-list {
    max-height: 220px;
    overflow-y: auto;
    display: grid;
    gap: 0.45rem;
    padding-right: 0.2rem;
}

.course-geo-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--campus-border);
    border-radius: 10px;
    background: #fff;
    cursor: pointer;
    transition: all 0.2s ease;
}

.course-geo-item:hover {
    border-color: var(--campus-green-500);
    background: #f3faf6;
}

.course-geo-item.selected {
    border-color: var(--campus-green-500);
    background: rgba(61, 143, 117, 0.12);
}

.course-geo-item .form-check-input {
    margin-top: 0;
}

.course-geo-name {
    color: var(--campus-gray-700);
    line-height: 1.2;
}

.table > :not(caption) > * > * {
    border-bottom-color: var(--campus-border);
}

@keyframes reveal-up {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1199.98px) {
    .stats-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .main-panel {
        margin-left: 0;
        width: 100%;
        padding: 1rem;
    }

    .auth-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 575.98px) {
    .hero-panel {
        flex-direction: column;
        align-items: flex-start;
    }

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

    .class-actions .btn,
    .course-item .btn {
        width: 100%;
    }

    .course-item {
        flex-direction: column;
        align-items: flex-start;
    }
}