/* ====================================
   CSS Variables & Theme
   ==================================== */
:root {
    --primary-color: #1b6ec2;
    --primary-hover: #1861ac;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;

    --background: #ffffff;
    --surface: #f8f9fa;
    --border-color: #dee2e6;

    --text-primary: #212529;
    --text-secondary: #6c757d;

    --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;

    --border-radius: 0.375rem;
    --box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --transition: all 0.2s ease-in-out;
}

/* Hide number input spinners for inputs with class 'no-spinner' */
input.no-spinner::-webkit-outer-spin-button,
input.no-spinner::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input.no-spinner[type=number] {
    -moz-appearance: textfield;
}

/* Ensure numeric-only inputs still accept digits on mobile - inline JS sanitation applied where used */

/* ====================================
   Global Styles
   ==================================== */
* {
    box-sizing: border-box;
}

html, body {
    font-family: var(--font-family);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

/* ====================================
   Layout
   ==================================== */
.main-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content {
    flex: 1;
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* ====================================
   Navbar
   ==================================== */
.navbar {
    background-color: var(--primary-color);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--box-shadow);
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.navbar-brand:hover {
    color: white;
    text-decoration: none;
}

.navbar-menu {
    list-style: none;
    display: flex;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
    align-items: center;
}

.nav-link {
    color: white;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.nav-link:hover {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

/* ====================================
   Buttons
   ==================================== */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    font-weight: 500;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-align: center;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    color: white;
    text-decoration: none;
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background-color: #5a6268;
    color: white;
}

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--surface);
}

/* ====================================
   Cards
   ==================================== */
.card {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
}

.card-header {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

/* ====================================
   Forms
   ==================================== */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.5rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(27, 110, 194, 0.25);
}

.form-error {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.valid.modified:not([type=checkbox]) {
    border-color: var(--success-color);
}

.invalid {
    border-color: var(--danger-color);
}

/* ====================================
   Tables
   ==================================== */
.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.table th,
.table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    background-color: var(--surface);
}

.table tbody tr:hover {
    background-color: var(--surface);
}

/* ====================================
   Badges
   ==================================== */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 0.25rem;
    white-space: nowrap;
}

.badge-draft {
    background-color: var(--secondary-color);
    color: white;
}

.badge-published {
    background-color: var(--info-color);
    color: white;
}

.badge-inreview {
    background-color: var(--warning-color);
    color: var(--text-primary);
}

.badge-awarded,
.badge-accepted,
.badge-completed {
    background-color: var(--success-color);
    color: white;
}

.badge-cancelled,
.badge-rejected {
    background-color: var(--danger-color);
    color: white;
}

.badge-withdrawn {
    background-color: var(--secondary-color);
    color: white;
}

/* ====================================
   Grid & Flexbox Utilities
   ==================================== */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.flex {
    display: flex;
}

.flex-gap {
    gap: 1rem;
}

.justify-between {
    justify-content: space-between;
}

.justify-center {
    justify-content: center;
}

.items-center {
    align-items: center;
}

/* ====================================
   Spacing Utilities
   ==================================== */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }

/* ====================================
   Text Utilities
   ==================================== */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

/* ====================================
   Loading Spinner
   ==================================== */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.spinner {
    border: 4px solid rgba(27, 110, 194, 0.1);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ====================================
   Blazor Error UI
   ==================================== */
#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem 1.25rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 0.75rem;
    top: 0.5rem;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, #b32121;
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

.loading-progress {
    position: absolute;
    display: block;
    width: 8rem;
    height: 8rem;
    inset: 20vh 0 auto 0;
    margin: 0 auto 0 auto;
}

.loading-progress circle {
    fill: none;
    stroke: #e0e0e0;
    stroke-width: 0.6rem;
    transform-origin: 50% 50%;
    transform: rotate(-90deg);
}

.loading-progress circle:last-child {
    stroke: #1b6ec2;
    stroke-dasharray: calc(3.141 * var(--blazor-load-percentage, 0%) * 0.8), 500%;
    transition: stroke-dasharray 0.05s ease-in-out;
}

.loading-progress-text {
    position: absolute;
    text-align: center;
    font-weight: bold;
    inset: calc(20vh + 3.25rem) 0 auto 0.2rem;
}

.loading-progress-text:after {
    content: "Loading";
}

/* ====================================
   Responsive Design - Bootstrap 5 Breakpoints
   ==================================== */

/* Mobile First: Base styles for mobile */

/* Small devices (landscape phones, 576px and up) */
@media (min-width: 576px) {

}

/* Medium devices (tablets, 768px and up) */
@media (min-width: 768px) {
    .content {
        padding: 2rem;
    }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {

}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {

}

/* Mobile-specific styles (below 768px) */
@media (max-width: 767.98px) {
    /* Grid system - все колонки становятся полноразмерными */
    .grid-cols-2,
    .grid-cols-3 {
        grid-template-columns: 1fr !important;
    }

    /* Flex контейнеры - вертикальная ориентация */
    .flex {
        flex-direction: column;
    }

    .flex.justify-between {
        gap: 1rem;
    }

    /* Контент */
    .content {
        padding: 1rem;
    }

    /* Кнопки на всю ширину для удобства */
    .btn-mobile-full {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    /* Уменьшаем заголовки */
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.25rem; }
    h3 { font-size: 1.1rem; }

    /* Карточки - меньше padding */
    .card {
        padding: 1rem;
    }

    /* Таблицы - скрываем на мобильных, показываем карточки */
    .table-responsive-cards .table {
        display: none;
    }

    .table-responsive-cards .mobile-cards {
        display: block;
    }

    /* Формы - стэк layout */
    .form-row-responsive {
        flex-direction: column;
    }

    .form-row-responsive > * {
        width: 100% !important;
        max-width: 100% !important;
    }
}

/* Desktop styles (768px and up) */
@media (min-width: 768px) {
    /* Таблицы - показываем на десктопе */
    .table-responsive-cards .table {
        display: table;
    }

    .table-responsive-cards .mobile-cards {
        display: none;
    }

    /* Navbar - горизонтальная */
    .navbar-nav {
        flex-direction: row;
    }
}
        content: var(--blazor-load-percentage-text, "Loading");
    }

code {
    color: #c02d76;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* ====================================
   Modal (Модальные окна)
   ==================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    backdrop-filter: blur(2px);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1050;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
    display: none;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    position: relative;
    width: auto;
    margin: 1.75rem auto;
    max-width: 500px;
    pointer-events: none;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: var(--background);
    background-clip: padding-box;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    outline: 0;
}

.modal-header {
    display: flex;
    flex-shrink: 0;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1rem;
    border-bottom: 1px solid var(--border-color);
    border-top-left-radius: calc(var(--border-radius) - 1px);
    border-top-right-radius: calc(var(--border-radius) - 1px);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.modal-header .close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-header .close-btn:hover {
    color: var(--text-primary);
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 1rem;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    flex-shrink: 0;
    align-items: center;
    justify-content: flex-end;
    padding: 0.75rem;
    border-top: 1px solid var(--border-color);
    border-bottom-right-radius: calc(var(--border-radius) - 1px);
    border-bottom-left-radius: calc(var(--border-radius) - 1px);
    gap: 0.5rem;
}

/* Responsive modal */
@media (max-width: 576px) {
    .modal-dialog {
        max-width: 100%;
        margin: 0.5rem;
    }
}

/* ====================================
   Price Mode Selection Buttons
   ==================================== */
.price-mode-selector {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.price-mode-button {
    border: 2px solid var(--border-color);
    background-color: var(--background);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.price-mode-button:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(27, 110, 194, 0.15);
    transform: translateY(-2px);
}

.price-mode-button.active {
    border-color: var(--primary-color);
    background-color: rgba(27, 110, 194, 0.05);
    box-shadow: 0 4px 12px rgba(27, 110, 194, 0.2);
}

.price-mode-button.active::before {
    content: '✓';
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    width: 1.5rem;
    height: 1.5rem;
    background-color: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: bold;
}

.price-mode-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
    line-height: 1;
}

.price-mode-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.price-mode-button.active .price-mode-title {
    color: var(--primary-color);
}

.price-mode-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.4;
}

/* Responsive для мобильных */
@media (max-width: 768px) {
    .price-mode-selector {
        grid-template-columns: 1fr;
    }

    .price-mode-button {
        padding: 1.25rem;
    }

    .price-mode-icon {
        font-size: 2rem;
    }

    .price-mode-title {
        font-size: 1.1rem;
    }
}

/* ====================================
   Mobile Cards for Proposals
   ==================================== */
.mobile-cards {
    display: none;
}

.proposal-card {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--box-shadow);
}

.proposal-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.proposal-card-number {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.proposal-card-body {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.proposal-card-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.25rem 0;
}

.proposal-card-label {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.proposal-card-value {
    font-weight: 500;
    color: var(--text-primary);
    text-align: right;
}

.proposal-card-value strong {
    font-size: 1.1rem;
    color: var(--primary-color);
}

.proposal-card-footer {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color);
}

.proposal-card.row-success {
    border-left: 4px solid var(--success-color);
}

.proposal-card.row-muted {
    opacity: 0.6;
}

/* Item Cards for Mobile */
.item-card {
    background-color: var(--surface);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.item-card-header {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.item-card-row {
    display: flex;
    justify-content: space-between;
    padding: 0.25rem 0;
    font-size: 0.875rem;
}

.item-card-row .label {
    color: var(--text-secondary);
}

.item-card-row .value {
    font-weight: 500;
    color: var(--text-primary);
}

@media (max-width: 767.98px) {
    /* Hide table on mobile, show cards */
    .table-responsive-cards .table-responsive {
        display: none;
    }

    .table-responsive-cards .mobile-cards {
        display: block;
    }
}