/* ======================================================================== */
/* CORE LAYOUT & SIDEBAR                                                    */
/* ======================================================================== */

body {
    min-height: 100vh;
    overflow-x: hidden;
}

.app-auth-page {
    padding: 1rem;
}

.app-auth-page .card,
body.bg-light.p-4>.container,
body.bg-light.p-4>.container-fluid {
    border: 1px solid rgba(13, 110, 253, 0.08);
}

.page-heading {
    color: #17324d;
    letter-spacing: -0.01em;
}

.sidebar {
    min-width: 240px;
    max-width: 240px;
    min-height: 100vh;
}

.app-main {
    min-width: 0;
}

/* ======================================================================== */
/* NAVIGATION STYLING                                                       */
/* ======================================================================== */

/* Nav links styling */
.nav-pills .nav-link {
    color: #dee2e6;
    border-radius: 6px;
    margin-bottom: 4px;
    transition: all 0.2s ease-in-out;
}

.nav-pills .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.nav-pills .nav-link.active {
    background-color: #0d6efd;
}

/* ======================================================================== */
/* CARDS & TABLES                                                           */
/* ======================================================================== */

.card {
    border-radius: 8px;
}

.table> :not(caption)>*>* {
    padding: 0.75rem 1rem;
}

.table-responsive {
    -webkit-overflow-scrolling: touch;
}

input,
select,
textarea,
button,
.form-control,
.form-select {
    max-width: 100%;
}

/* ======================================================================== */
/* FORM VALIDATION STYLING                                                  */
/* ======================================================================== */

/* Invalid field styling */
.form-control.is-invalid,
.form-control:invalid,
.form-select.is-invalid {
    border-color: #dc3545;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath fill='%23dc3545' d='M8 4a.5.5 0 0 0-.5-.5h-3a.5.5 0 0 0 0 1h3A.5.5 0 0 0 8 4z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
    padding-right: calc(1.5em + 0.75rem);
}

/* Valid field styling */
.form-control.is-valid {
    border-color: #198754;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%23198754' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right calc(0.375em + 0.1875rem) center;
    background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
    padding-right: calc(1.5em + 0.75rem);
}

/* Invalid feedback message */
.invalid-feedback,
.invalid-tooltip {
    display: block;
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Valid feedback message */
.valid-feedback,
.valid-tooltip {
    display: block;
    color: #198754;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Form was-validated styling */
.was-validated .form-control:invalid~.invalid-feedback,
.form-control.is-invalid~.invalid-feedback {
    display: block;
}

.was-validated .form-control:valid~.valid-feedback,
.form-control.is-valid~.valid-feedback {
    display: block;
}

/* ======================================================================== */
/* FORM SECTION STYLING                                                     */
/* ======================================================================== */

.form-section {
    background-color: #f8f9fa;
    border-left: 4px solid #0d6efd;
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.form-section-title {
    font-weight: 600;
    color: #0d6efd;
    font-size: 1.1rem;
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ======================================================================== */
/* ALERT & NOTIFICATION STYLING                                            */
/* ======================================================================== */

.alert {
    border-radius: 6px;
    font-weight: 500;
}

.alert-success {
    background-color: #d1e7dd;
    border-color: #badbcc;
    color: #0f5132;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c2c7;
    color: #842029;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffecb5;
    color: #664d03;
}

.alert-info {
    background-color: #cfe2ff;
    border-color: #b6d4fe;
    color: #084298;
}

/* ======================================================================== */
/* BUTTON STYLING                                                           */
/* ======================================================================== */

.btn {
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.2s ease-in-out;
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0a58ca;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(13, 110, 253, 0.3);
}

.btn-primary:active,
.btn-primary.active {
    background-color: #0a58ca;
    border-color: #0a58ca;
}

.btn-secondary {
    background-color: #6c757d;
    border-color: #6c757d;
}

.btn-secondary:hover {
    background-color: #5c636a;
    border-color: #565e64;
    transform: translateY(-2px);
}

/* ======================================================================== */
/* BADGE STYLING                                                            */
/* ======================================================================== */

.badge {
    border-radius: 12px;
    padding: 6px 12px;
    font-weight: 600;
}

/* ======================================================================== */
/* RESPONSIVE ADJUSTMENTS                                                   */
/* ======================================================================== */

@media (max-width: 768px) {
    .sidebar {
        min-width: 100%;
        max-width: 100%;
        min-height: auto;
    }

    .form-section {
        padding: 12px;
    }

    .btn {
        font-size: 0.9rem;
        padding: 0.5rem 1rem;
    }

    body.bg-light.p-4 {
        padding: 0.75rem !important;
    }

    body.bg-light.p-4>.container {
        padding: 1rem !important;
    }

    .container-fluid.p-4 {
        padding: 1rem !important;
    }

    .app-main>.container,
    .app-main>.container-fluid {
        padding: 1rem !important;
    }

    .container>.d-flex.justify-content-between,
    .container-fluid>.d-flex.justify-content-between {
        align-items: flex-start !important;
        flex-wrap: wrap;
        gap: 0.75rem;
    }

    .container>.d-flex.justify-content-between h4,
    .container-fluid>.d-flex.justify-content-between h4 {
        flex: 1 1 100%;
        font-size: 1.2rem;
    }

    .container>.d-flex.justify-content-between .btn,
    .container-fluid>.d-flex.justify-content-between .btn {
        white-space: normal;
    }

    .form-section,
    .row.bg-light.p-3 {
        padding: 0.75rem !important;
    }

    .form-control,
    .form-select,
    input[type="file"] {
        min-height: 2.5rem;
    }

    input[type="file"] {
        white-space: normal;
        overflow: hidden;
    }

    .alert {
        overflow-wrap: anywhere;
    }

    .table {
        min-width: 620px;
    }

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

@media (max-width: 575.98px) {
    .app-auth-page {
        align-items: flex-start !important;
        padding-top: 2rem;
        padding-bottom: 2rem;
        min-height: 100vh;
    }

    .btn {
        width: 100%;
    }

    .btn-group .btn,
    .btn-toolbar .btn,
    .navbar .btn,
    .offcanvas .btn {
        width: auto;
    }

    .container>.d-flex.justify-content-between .btn,
    .container-fluid>.d-flex.justify-content-between .btn {
        width: 100%;
    }

    .form-label {
        margin-bottom: 0.3rem;
    }

    .row.g-3 {
        --bs-gutter-y: 0.75rem;
    }
}

/* ======================================================================== */
/* ACCESSIBILITY & FOCUS STATES                                            */
/* ======================================================================== */

.form-control:focus,
.form-select:focus,
.btn:focus {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* High contrast mode support */
@media (prefers-contrast: more) {

    .form-control.is-invalid,
    .form-control:invalid {
        border-width: 2px;
    }

    .form-control.is-valid {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .btn {
        transform: none !important;
    }
}