/*!
 * Material Dashboard 3 - inspired styles (adapted for Yii2 / Bootstrap 5)
 * Recreates the key visual elements of the Creative Tim Material Dashboard 3
 * template (navbar blur, gradient buttons, outlined input groups, page header).
 * Licensed under MIT (https://www.creative-tim.com/license)
 */

:root {
    --md-dark: #344767;
    --md-gradient-dark: linear-gradient(310deg, #141727 0%, #3a416f 100%);
    --md-gradient-primary: linear-gradient(310deg, #7928ca 0%, #ff0080 100%);
    --md-gray-200: #e9ecef;
    --md-border-radius-xl: 0.75rem;
    --md-border-radius-lg: 0.5rem;
    --md-shadow-dark: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

/* =========================================================
   Navbar (blur style)
   ========================================================= */
.navbar.blur {
    -webkit-backdrop-filter: saturate(200%) blur(30px);
    backdrop-filter: saturate(200%) blur(30px);
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: var(--md-border-radius-xl);
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.12);
}

[data-bs-theme="dark"] .navbar.blur {
    background-color: rgba(20, 23, 39, 0.8);
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
}

.navbar.blur .navbar-brand {
    color: var(--md-dark);
    font-weight: 700;
}

[data-bs-theme="dark"] .navbar.blur .navbar-brand {
    color: #fff;
}

.navbar.blur .nav-link {
    color: var(--md-dark);
    font-size: 0.875rem;
    font-weight: 400;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
}

[data-bs-theme="dark"] .navbar.blur .nav-link {
    color: #fff;
}

.navbar.blur .nav-link i {
    opacity: 0.6;
    margin-right: 0.25rem;
}

.navbar.blur .nav-link.active {
    font-weight: 600;
}

.navbar.blur .nav-link:hover {
    color: #000;
}

[data-bs-theme="dark"] .navbar.blur .nav-link:hover {
    color: #e9ecef;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn.bg-gradient-dark {
    background-image: var(--md-gradient-dark);
    border: 0;
    box-shadow: var(--md-shadow-dark);
    color: #fff;
}

.btn.bg-gradient-dark:hover {
    background-image: var(--md-gradient-dark);
    opacity: 0.9;
    color: #fff;
}

.btn-outline-primary.btn-sm {
    font-size: 0.75rem;
    padding: 0.5rem 1rem;
}

/* =========================================================
   Page header (login background)
   ========================================================= */
.page-header {
    position: relative;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    overflow: hidden;
}

.page-header .mask {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.bg-gradient-dark {
    background-image: var(--md-gradient-dark) !important;
}

.opacity-6 {
    opacity: 0.6 !important;
}

.min-vh-100 {
    min-height: 100vh !important;
}

/* =========================================================
   Card / fadeIn animations
   ========================================================= */
.fadeIn3 {
    animation: fadeIn3 0.6s ease both;
}

.fadeInBottom {
    animation-name: fadeInBottom;
}

@keyframes fadeIn3 {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInBottom {
    from {
        opacity: 0;
        transform: translate3d(0, 20px, 0);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

.border-radius-lg {
    border-radius: var(--md-border-radius-lg) !important;
}

.border-radius-xl {
    border-radius: var(--md-border-radius-xl) !important;
}

.z-index-0 {
    z-index: 0 !important;
}

.z-index-2 {
    z-index: 2 !important;
}

.mt-n4 {
    margin-top: -1.5rem !important;
}

.shadow-dark {
    box-shadow: var(--md-shadow-dark) !important;
}

/* =========================================================
   Outlined input groups (Material style)
   ========================================================= */
.input-group-outline {
    position: relative;
    border-radius: var(--md-border-radius-lg);
    border: 1px solid #d2d6da;
    background: transparent;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
    padding: 0;
}

[data-bs-theme="dark"] .input-group-outline {
    border-color: #42424a;
}

.input-group-outline .form-control {
    border: 0;
    background: transparent;
    padding: 0.75rem 1rem;
    height: auto;
    box-shadow: none;
    position: relative;
    z-index: 1;
}

.input-group-outline .form-control:focus {
    box-shadow: none;
    background: transparent;
}

/* placeholder нужен только для :placeholder-shown — делаем его прозрачным */
.input-group-outline .form-control::placeholder {
    color: transparent;
}

.input-group-outline .form-label {
    position: absolute;
    top: 0;
    left: 0;
    margin: 0;
    padding: 0.75rem 1rem;
    color: #7b809a;
    pointer-events: none;
    font-size: 1rem;
    line-height: 1.25;
    background: transparent;
    z-index: 2;
    transition: transform 0.2s ease, font-size 0.2s ease, color 0.2s ease, padding 0.2s ease;
}

/*
 * Плавающий label.
 * Сдвиг -0.625rem = половина строки: текст ложится ровно на верхний бордюр.
 * Фон перекрывает линию border. overflow: hidden убран, поэтому ничего не обрезается.
 */
.input-group-outline.is-filled .form-label,
.input-group-outline .form-control:focus ~ .form-label,
.input-group-outline .form-control:not(:placeholder-shown) ~ .form-label {
    transform: translateY(-0.625rem);
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--md-dark);
    background: var(--bs-body-bg, #fff);
    padding: 0 0.35rem;
    margin-left: 0.75rem;
    line-height: 1.2;
}

[data-bs-theme="dark"] .input-group-outline.is-filled .form-label,
[data-bs-theme="dark"] .input-group-outline .form-control:focus ~ .form-label,
[data-bs-theme="dark"] .input-group-outline .form-control:not(:placeholder-shown) ~ .form-label {
    color: #fff;
    background: var(--bs-body-bg, #141727);
}

.input-group-outline.is-focused,
.input-group-outline:focus-within {
    border-color: var(--md-dark);
    box-shadow: 0 0 0 1px var(--md-dark);
}

[data-bs-theme="dark"] .input-group-outline.is-focused,
[data-bs-theme="dark"] .input-group-outline:focus-within {
    border-color: #fff;
    box-shadow: 0 0 0 1px #fff;
}

.input-group-outline.is-invalid {
    border-color: var(--bs-danger);
}

/* Текст ошибки валидации под полем */
.input-group-outline ~ .invalid-feedback,
.input-group-outline + .invalid-feedback {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.8rem;
}

/* Material Dashboard form switch */
.form-switch .form-check-input {
    width: 2.5rem;
    height: 1.25rem;
}

/* =========================================================
   Fade-in utility
   ========================================================= */
.fadeIn {
    animation: fadeIn 0.8s ease both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}