:root {
    --primary: #3777d1;
    --secondary: #5596f0;
    --accent: #86b8f8;
    --success: #27ae60;
    --danger: #e74c3c;
    --warning: #f39c12;
    --info: #1abc9c;
    --light: #f4f9ff;
    --dark: #102a43;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: radial-gradient(circle at top, rgba(86, 150, 240, 0.18), transparent 30%),
                linear-gradient(180deg, #eef8ff 0%, #dbe9fb 45%, #cfe3f9 100%);
    color: var(--dark);
    padding-top: 80px;
}

.navbar {
    background: linear-gradient(90deg, var(--secondary) 0%, var(--primary) 100%) !important;
    box-shadow: 0 6px 18px rgba(16, 42, 67, 0.18);
    border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.4rem;
}

.bg-glass {
    background-color: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(12px);
}

.container-main {
    background: rgba(255, 255, 255, 0.98);
    border-radius: 22px;
    padding: 2rem;
    box-shadow: 0 22px 55px rgba(16, 42, 67, 0.12);
    margin: 1.5rem auto 2rem;
    max-width: 1200px;
}

.header-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    border-bottom: 3px solid var(--secondary);
    padding-bottom: 1.25rem;
    margin-bottom: 1.75rem;
    flex-wrap: wrap;
}

.header-section h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    color: var(--dark);
}

.header-section h1 i {
    margin-right: 0.55rem;
    color: var(--secondary);
}

.btn-new-appointment,
.btn-search,
.btn-clear,
.btn-modal-primary,
.btn-modal-secondary,
.btn-edit,
.btn-cancel,
.btn-login {
    transition: all 0.25s ease;
    border-radius: 12px;
    font-weight: 600;
}

.btn-new-appointment {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border: none;
    color: #fff;
    padding: 0.95rem 1.5rem;
    box-shadow: 0 12px 24px rgba(55, 119, 209, 0.2);
}

.btn-new-appointment:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(55, 119, 209, 0.28);
}

.btn-login {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border: none;
    color: #fff;
    width: 100%;
    padding: 0.95rem 1rem;
    box-shadow: 0 10px 20px rgba(55, 119, 209, 0.22);
}

.btn-login:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #2e69bf 0%, #4a92e3 100%);
}

.btn-search {
    background: linear-gradient(135deg, var(--secondary) 0%, #4a8deb 100%);
    border: none;
    color: #fff;
    padding: 0.9rem 1rem;
}

.btn-clear {
    background: linear-gradient(135deg, #a2c1f7 0%, #7ba7f0 100%);
    border: none;
    color: #fff;
    padding: 0.9rem 1rem;
}

.btn-clear:hover {
    transform: translateY(-1px);
}

.filter-section,
.login-card,
.module-card,
.alert-custom,
.card-custom {
    border-radius: 18px;
}

.filter-section {
    background: linear-gradient(135deg, #eef8ff 0%, #d4e9fb 100%);
    border-left: 5px solid var(--secondary);
    padding: 1.5rem;
    margin-bottom: 1.75rem;
}

.module-card {
    background: #ffffff;
    border: 1px solid rgba(86, 150, 240, 0.18);
    box-shadow: 0 16px 30px rgba(55, 119, 209, 0.08);
}

.module-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 18px 34px rgba(55, 119, 209, 0.14);
}

.module-card .module-icon {
    color: var(--secondary);
}

.card-upload-section,
.document-list-card,
.card {
    border-radius: 18px;
    border: 1px solid rgba(86, 150, 240, 0.14);
}

.card-body {
    background: #ffffff;
}

.module-page .card-header {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    color: #fff;
}

.filter-section label {
    font-weight: 700;
    color: var(--dark);
}

.filter-section input[type='date'],
.filter-section select,
.form-control,
.form-select {
    border: 2px solid #e1e5ea;
    border-radius: 12px;
    padding: 0.85rem 1rem;
    transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.filter-section input[type='date']:focus,
.filter-section select:focus,
.form-control:focus,
.form-select:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 0.18rem rgba(52, 152, 219, 0.18);
}

.btn-search {
    background: linear-gradient(90deg, var(--secondary) 0%, #2980b9 100%);
    border: none;
    color: #fff;
    padding: 0.9rem 1rem;
}

.btn-search:hover {
    transform: translateY(-2px);
}

.btn-clear {
    background: linear-gradient(90deg, #95a5a6 0%, #7f8c8d 100%);
    border: none;
    color: #fff;
    padding: 0.9rem 1rem;
}

.btn-clear:hover {
    transform: translateY(-2px);
}

.alert-custom {
    padding: 1rem 1.25rem;
    border: none;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

.table-responsive {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.table {
    margin-bottom: 0;
}

.table thead {
    background: linear-gradient(90deg, var(--primary) 0%, #34495e 100%);
    color: #fff;
}

.table thead th {
    border: none;
    padding: 1rem 0.85rem;
    vertical-align: middle;
}

.table tbody tr {
    transition: background 0.25s ease, transform 0.25s ease;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.table tbody td {
    padding: 1rem 0.85rem;
    vertical-align: middle;
}

.badge-status {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.5rem 0.9rem;
    border-radius: 999px;
    font-weight: 700;
    font-size: 0.82rem;
}

.badge-pendiente {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeeba 100%);
    color: #856404;
}

.badge-cancelada {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

.badge-activo {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.action-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.btn-edit,
.btn-cancel {
    border: none;
    color: #fff;
    padding: 0.65rem 0.95rem;
    border-radius: 10px;
    font-size: 0.86rem;
}

.btn-edit {
    background: linear-gradient(135deg, var(--secondary) 0%, #2980b9 100%);
}

.btn-edit:hover {
    transform: translateY(-1px);
}

.btn-cancel {
    background: linear-gradient(135deg, var(--danger) 0%, #c0392b 100%);
}

.workflow-section {
    background: linear-gradient(135deg, #ffffff 0%, #f4f7fb 100%);
    border: 1px solid #dfe6ee;
    border-radius: 18px;
    padding: 1.5rem;
    margin-bottom: 1.75rem;
}

.workflow-section h4 {
    margin-bottom: 1rem;
    font-weight: 700;
}

.workflow-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.workflow-step {
    background: #fff;
    border: 1px solid #e6ecf3;
    border-radius: 16px;
    padding: 1rem;
    box-shadow: 0 12px 30px rgba(46, 61, 73, 0.06);
}

.workflow-step-header {
    display: flex;
    justify-content: space-between;
    gap: 0.75rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.workflow-step-title {
    font-weight: 700;
    color: var(--dark);
}

.workflow-step-details {
    margin: 0;
    color: #6b7c93;
    font-size: 0.95rem;
}

.card-module-link {
    display: block;
    color: inherit;
    border: 1px solid #e6ecf3;
    border-radius: 16px;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.card-module-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 22px rgba(46, 61, 73, 0.08);
}

.card-module-link.disabled-link {
    pointer-events: none;
    opacity: 0.6;
}

.upload-card,
.document-list-card {
    border-radius: 18px;
}

.document-list-card .table {
    margin-bottom: 0;
}

.document-list-card th,
.document-list-card td {
    vertical-align: middle;
}

.document-list-card td {
    font-size: 0.95rem;
}

.module-page .card-header {
    background: linear-gradient(135deg, #2a65b8 0%, #1e487f 100%);
    color: #fff;
}

.module-page .card {
    border: 1px solid #d8dce5;
}

.module-page .form-label {
    font-weight: 700;
}

.module-page .form-control,
.module-page .form-select {
    min-height: 44px;
}

.module-page .form-check-label {
    font-weight: 600;
}

.module-page .card-body {
    padding: 1.4rem;
}

.module-page .card-header {
    padding: 1rem 1.25rem;
}

@media print {
    .btn,
    #cancelButton,
    #printButton,
    .document-list-card,
    .workflow-section,
    .card-module-link {
        display: none !important;
    }
    .module-page {
        padding: 0;
    }
    .module-page .card {
        border: 1px solid #000;
        box-shadow: none;
        page-break-inside: avoid;
    }
}

    .modal-title {
        font-weight: 700;
        font-size: 1.5rem;
    }

    .btn-close-white {
        filter: brightness(0) invert(1);
    }

    .modal-body {
        padding: 2rem;
    }

    .modal-footer {
        border-top: 1px solid #ecf0f1;
        padding: 1.5rem;
    }

    .form-label {
        font-weight: 700;
        color: var(--dark);
        margin-bottom: 0.75rem;
    }

    .modules-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 2rem;
        margin-top: 2rem;
    }

    .module-card {
        background: white;
        border-radius: 16px;
        padding: 2rem;
        text-decoration: none;
        color: inherit;
        transition: all 0.3s ease;
        border: 2px solid #ecf0f1;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    }

    .module-card:hover {
        transform: translateY(-6px);
        box-shadow: 0 14px 30px rgba(0, 0, 0, 0.12);
        border-color: var(--secondary);
    }

    .module-card.active {
        background: linear-gradient(135deg, var(--secondary) 0%, #2980b9 100%);
        color: #fff;
        border-color: transparent;
    }

    .module-icon {
        font-size: 3rem;
        margin-bottom: 1rem;
        color: var(--secondary);
    }

    .module-card.active .module-icon {
        color: #fff;
    }

    .module-name {
        font-size: 1.25rem;
        font-weight: 700;
        margin-bottom: 0.5rem;
    }

    .module-description {
        font-size: 0.95rem;
        color: #666;
        opacity: 0.85;
    }

    .module-card.active .module-description {
        color: rgba(255, 255, 255, 0.9);
    }

    .login-card {
        width: 100%;
        max-width: 460px;
        border-radius: 22px;
        overflow: hidden;
        box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
        background: rgba(255, 255, 255, 0.98);
        border: 1px solid rgba(255, 255, 255, 0.35);
        margin: auto;
    }

    .login-card .card-header {
        background: linear-gradient(135deg, var(--primary) 0%, #34495e 100%);
        color: white;
        padding: 1.8rem 1.5rem;
        text-align: center;
    }

    .login-card .card-header h4 {
        margin: 0;
        font-size: 1.8rem;
        letter-spacing: 0.7px;
    }

    .login-footer {
        text-align: center;
        margin-top: 1rem;
        color: #7f8c8d;
        font-size: 0.95rem;
    }

    .btn-login {
        width: 100%;
        padding: 0.95rem;
        border-radius: 12px;
        background: linear-gradient(90deg, var(--secondary) 0%, #2980b9 100%);
        border: none;
        font-size: 1rem;
        font-weight: 700;
        transition: all 0.3s ease;
        color: white;
        box-shadow: 0 12px 20px rgba(52, 152, 219, 0.25);
    }

    .btn-login:hover {
        transform: translateY(-2px);
    }

    body.login-page {
        display: flex;
        align-items: center;
        justify-content: center;
        padding-top: 0;
        min-height: 100vh;
    }

    body.login-page .container-main {
        max-width: 520px;
        margin-top: 0;
        margin-bottom: 0;
        box-shadow: 0 24px 60px rgba(0, 0, 0, 0.2);
    }
.modal-title {
    margin: 0;
    font-weight: 700;
}

.btn-close-white {
    filter: brightness(0) invert(1);
}

.modal-body {
    padding: 2rem;
}

.modal-footer {
    border-top: 1px solid #ecf0f1;
    padding: 1.5rem;
}

.btn-modal-primary {
    background: linear-gradient(90deg, var(--success) 0%, #229954 100%);
    border: none;
    color: #fff;
    padding: 0.85rem 1.25rem;
}

.btn-modal-primary:hover {
    transform: translateY(-1px);
}

.btn-modal-secondary {
    background: #95a5a6;
    border: none;
    color: #fff;
    padding: 0.85rem 1.25rem;
}

.btn-modal-secondary:hover {
    transform: translateY(-1px);
}

.login-card {
    width: 100%;
    max-width: 440px;
    border-radius: 22px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18);
    margin: 2rem auto;
    overflow: hidden;
}

.login-card .card-header {
    background: linear-gradient(135deg, var(--primary) 0%, #34495e 100%);
    color: #fff;
    padding: 1.8rem 1.5rem;
    text-align: center;
}

.login-card .card-header h4 {
    margin: 0;
    font-size: 1.75rem;
}

.login-card .card-body {
    padding: 2rem;
}

.login-footer {
    text-align: center;
    padding: 1rem;
    color: #7f8c8d;
    background: rgba(236, 240, 241, 0.65);
    font-size: 0.95rem;
}

.btn-login {
    width: 100%;
    border: none;
    color: #fff;
    background: linear-gradient(90deg, var(--secondary) 0%, #2980b9 100%);
    padding: 0.95rem;
}

.btn-login:hover {
    transform: translateY(-1px);
}

.module-card {
    background: #fff;
    border: 2px solid #ecf0f1;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    color: #2c3e50;
    text-decoration: none;
}

.module-card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary);
}

.module-card.active {
    background: linear-gradient(135deg, var(--secondary) 0%, #2980b9 100%);
    color: #fff;
    border-color: transparent;
}

.module-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--secondary);
}

.module-card.active .module-icon {
    color: #fff;
}

.module-name {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.module-description {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.5;
}

.module-card.active .module-description {
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
    .container-main {
        padding: 1.25rem;
        margin-top: 1rem;
    }

    .header-section {
        flex-direction: column;
        align-items: stretch;
    }

    .table {
        font-size: 0.9rem;
    }

    .action-buttons {
        flex-direction: column;
    }
}