/* ========================================
   Theme Variables - gebouwoverzicht.nl
   ======================================== */
:root {
    --color-primary: #1a2e35;
    --color-primary-light: #24444e;
    --color-secondary: #e8983e;
    --color-secondary-light: #f0b060;
    --color-accent: #e8983e;
    --color-background: #f5f6fa;
    --color-surface: #ffffff;
    --color-text: #2d3748;
    --color-text-muted: #718096;
    --color-border: #e2e8f0;
    --color-success: #38a169;
    --color-error: #e53e3e;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.06);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-full: 999px;
    --sidebar-width: 220px;
    --header-height: 56px;
}

/* ========================================
   Base Styles
   ======================================== */
*, *::before, *::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--color-background);
    color: var(--color-text);
    line-height: 1.6;
}

h1:focus {
    outline: none;
}

.valid.modified:not([type=checkbox]) {
    outline: 1px solid var(--color-success);
}

.invalid {
    outline: 1px solid var(--color-error);
}

.validation-message {
    color: var(--color-error);
}

.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."
}

.darker-border-checkbox.form-check-input {
    border-color: #929292;
}

.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;
}

/* ========================================
   App Layout
   ======================================== */
.app-layout {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    background: var(--color-primary);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 100;
    }

    .app-body {
        border-top: 3px solid var(--color-secondary);
    }

.header-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sidebar-toggle {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: background 0.2s;
}

.sidebar-toggle:hover {
    background: rgba(255,255,255,0.15);
}

.header-logo {
    height: 49px;
    width: auto;
    border-radius: 5px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    color: rgba(255,255,255,0.8);
    font-size: 0.875rem;
}

.logout-button {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-sm);
    padding: 0.4rem 0.9rem;
    color: rgba(255,255,255,0.9);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.logout-button:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.5);
    color: white;
}

.app-body {
    display: flex;
    flex: 1;
}

/* Sidebar */
.app-sidebar {
    width: var(--sidebar-width);
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    padding: 1.25rem 0;
    flex-shrink: 0;
    transition: width 0.2s ease, padding 0.2s ease;
    overflow: hidden;
}

.app-sidebar:not(.open) {
    width: 0;
    padding: 1.25rem 0;
    border-right: none;
}

.sidebar-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 1.25rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 0.75rem;
}

.sidebar-user-icon {
    font-size: 1.5rem;
    background: var(--color-background);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-username {
    font-weight: 600;
    font-size: 0.85rem;
    color: var(--color-text);
    white-space: nowrap;
}

.sidebar-dashboard-link {
    font-size: 0.78rem;
    color: var(--color-secondary);
    text-decoration: none;
}

.sidebar-dashboard-link:hover {
    text-decoration: underline;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
    padding: 0 0.75rem;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: all 0.15s ease;
}

.sidebar-link:hover {
    background: var(--color-background);
    color: var(--color-primary);
}

.sidebar-link.active {
    background: var(--color-primary);
    color: white;
}

.sidebar-icon {
    font-size: 1rem;
    width: 1.25rem;
    text-align: center;
}

.app-main {
    flex: 1;
    padding: 0;
    background: var(--color-background);
    min-width: 0;
}

.app-footer {
    background: var(--color-primary);
    color: white;
    text-align: center;
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
}

.app-footer p {
    margin: 0;
    opacity: 0.8;
}

.header-nav {
    display: none;
}

.nav-link, .nav-icon {
    display: none;
}

/* ========================================
   Loading Page
   ======================================== */
.loading-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-background);
}

.loading-page p {
    color: var(--color-text-muted);
    font-size: 1.125rem;
}

/* ========================================
   Login Page
   ======================================== */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, #2d6a4f 100%);
    padding: 1rem;
}

.login-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo img {
    max-width: 280px;
    width: 100%;
    height: auto;
}

.login-card h1 {
    margin: 0 0 0.5rem;
    color: var(--color-primary);
    font-size: 1.75rem;
    text-align: center;
}

.login-subtitle {
    color: var(--color-text-muted);
    text-align: center;
    margin: 0 0 2rem;
}

.login-card .field-group {
    margin-bottom: 1.25rem;
}

.login-card .field-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--color-text);
}

.login-card .field-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.login-card .field-group input:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(107, 154, 196, 0.2);
}

.login-error {
    background: #fff5f5;
    color: var(--color-error);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    border: 1px solid #fed7d7;
}

.login-button {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
}

/* ========================================
   Page Content
   ======================================== */
.page-shell {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.5rem 3rem;
}

.hero-card,
.content-card,
.result-card,
.message-list {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.hero-card,
.content-card {
    padding: 1.5rem;
}

.hero-card {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    align-items: start;
    margin-bottom: 1.5rem;
}

.eyebrow {
    margin: 0 0 0.5rem;
    color: var(--color-secondary);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.hero-card h1 {
    margin: 0 0 0.75rem;
    color: var(--color-primary);
}

.hero-card p:last-child {
    margin-bottom: 0;
    color: var(--color-text-muted);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1rem;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.field-group label {
    font-weight: 600;
    color: var(--color-text);
}

.field-group select,
.field-group input[type="file"] {
    padding: 0.8rem 0.9rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    transition: border-color 0.2s ease;
}

.field-group select:focus,
.field-group input[type="file"]:focus {
    outline: none;
    border-color: var(--color-secondary);
}

/* ========================================
   File Dropzone
   ======================================== */
.file-dropzone {
    position: relative;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-background);
    transition: all 0.2s ease;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-dropzone:hover {
    border-color: var(--color-secondary);
    background: #f0f7ff;
}

.file-dropzone.dragging {
    border-color: var(--color-primary);
    background: #e6f0ff;
    border-style: solid;
}

.file-dropzone.has-file {
    border-style: solid;
    border-color: var(--color-success);
    background: #f0fff4;
}

.file-input-hidden {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    top: 0;
    left: 0;
}

.file-input-hidden:disabled {
    cursor: not-allowed;
}

.dropzone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1.5rem;
    cursor: pointer;
    text-align: center;
    pointer-events: none;
}

.dropzone-icon {
    font-size: 2rem;
}

.dropzone-text {
    color: var(--color-text);
    font-size: 0.95rem;
}

.dropzone-text strong {
    color: var(--color-primary);
}

.dropzone-hint {
    color: var(--color-text-muted);
    font-size: 0.8rem;
}

.file-selected {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    width: 100%;
    pointer-events: none;
}

.file-icon {
    font-size: 1.5rem;
}

.file-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex: 1;
    gap: 0.5rem;
}

.file-name {
    font-weight: 600;
    color: var(--color-text);
    word-break: break-all;
}

.file-remove {
    pointer-events: auto;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    z-index: 10;
}

.file-remove:hover {
    background: var(--color-error);
    color: white;
}

.file-remove:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.actions-row {
    margin-top: 1.5rem;
}

/* ========================================
   Progress Bar
   ======================================== */
.progress-container {
    margin-top: 1.5rem;
    padding: 1rem 1.25rem;
    background: #f0f7ff;
    border: 1px solid var(--color-secondary-light);
    border-radius: var(--radius-md);
}

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

.progress-label {
    font-weight: 600;
    color: var(--color-primary);
}

.progress-text {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-variant-numeric: tabular-nums;
}

.progress-bar {
    height: 12px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-secondary) 0%, var(--color-primary) 100%);
    border-radius: var(--radius-full);
    transition: width 0.2s ease;
}

.progress-fill.progress-indeterminate {
    width: 30%;
    animation: indeterminate 1.5s ease-in-out infinite;
}

@keyframes indeterminate {
    0% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(233%);
    }
    100% {
        transform: translateX(-100%);
    }
}

/* ========================================
   Buttons
   ======================================== */
.primary-button,
.secondary-button {
    border: none;
    border-radius: var(--radius-full);
    padding: 0.85rem 1.35rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.primary-button:hover:not(:disabled) {
    background: var(--color-primary-light);
}

.secondary-button {
    background: var(--color-surface);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.secondary-button:hover:not(:disabled) {
    background: var(--color-border);
}

.primary-button:disabled,
.secondary-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ========================================
   Status & Results
   ======================================== */
.selected-file,
.status-panel {
    margin-top: 1rem;
}

.status-panel {
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    background: #ebf8ff;
    color: var(--color-primary);
    border: 1px solid var(--color-secondary-light);
}

.result-card,
.message-list {
    margin-top: 1.5rem;
    padding: 1.25rem;
}

.message-list h2 {
    margin-top: 0;
    font-size: 1.1rem;
    color: var(--color-primary);
}

.message-list ul {
    margin: 0;
    padding-left: 1.25rem;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .app-sidebar {
        position: fixed;
        top: var(--header-height);
        left: 0;
        bottom: 0;
        z-index: 99;
        box-shadow: var(--shadow-lg);
    }

    .app-sidebar:not(.open) {
        width: 0;
    }

    .user-name {
        display: none;
    }

    .hero-card {
        flex-direction: column;
    }

    .page-shell {
        padding: 1rem;
    }

    .login-card {
        padding: 1.5rem;
    }

    .login-logo img {
        max-width: 220px;
    }
}

@media (max-width: 480px) {
    .login-card h1 {
        font-size: 1.5rem;
    }

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