/* CSS Variables - Light Theme (default) */
:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    /* Additional variables for components */
    --card-bg: #ffffff;
    --input-bg: #f8fafc;
    --hover-bg: #f1f5f9;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --danger-bg: #fee2e2;
    --danger-text: #991b1b;
    --success-bg: #dcfce7;
    --success-text: #166534;
    --nav-bg: #ffffff;
    --nav-hover: #f1f5f9;
}

/* CSS Variables - Dark Theme */
[data-theme="dark"] {
    --primary-color: #818cf8;
    --primary-dark: #6366f1;
    --secondary-color: #a78bfa;
    --success-color: #4ade80;
    --warning-color: #fbbf24;
    --danger-color: #f87171;
    --bg-primary: #1e1e2e;
    --bg-secondary: #181825;
    --text-primary: #cdd6f4;
    --text-secondary: #a6adc8;
    --border-color: #313244;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    /* Additional variables for components */
    --card-bg: #1e1e2e;
    --input-bg: #313244;
    --hover-bg: #45475a;
    --warning-bg: #433c1c;
    --warning-text: #fbbf24;
    --danger-bg: #3d1e1e;
    --danger-text: #f87171;
    --success-bg: #1e3d2e;
    --success-text: #4ade80;
    --nav-bg: #1e1e2e;
    --nav-hover: #313244;
}

/* CSS Variables - High Contrast Theme */
[data-high-contrast="true"] {
    --primary-color: #ffd939;
    --primary-dark: #e6c433;
    --secondary-color: #ffd939;
    --success-color: #2bc700;
    --warning-color: #ffd939;
    --danger-color: #ff6161;
    --bg-primary: #000000;
    --bg-secondary: #000000;
    --text-primary: #ffffff;
    --text-secondary: #ffffff;
    --border-color: #ffffff;
    --shadow-sm: 0 0 0 1px #ffffff;
    --shadow: 0 0 0 1px #ffffff;
    --shadow-lg: 0 0 0 2px #ffffff;
    /* Additional variables for components */
    --card-bg: #000000;
    --input-bg: #000000;
    --hover-bg: #333333;
    --warning-bg: #000000;
    --warning-text: #ffd939;
    --danger-bg: #000000;
    --danger-text: #ff6161;
    --success-bg: #000000;
    --success-text: #2bc700;
    --nav-bg: #000000;
    --nav-hover: #333333;
}

/* Reset and Base */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-primary);
    background: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

html, body, #app {
    height: 100%;
}

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

a:hover {
    text-decoration: underline;
}

h1:focus {
    outline: none;
}

/* Loading Screen */
.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: var(--bg-secondary, #f8fafc);
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color, #e2e8f0);
    border-top-color: var(--primary-color, #6366f1);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loading-text {
    margin-top: 16px;
    color: var(--text-secondary, #64748b);
    font-size: 1.125rem;
    font-weight: 500;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Error UI */
#blazor-error-ui {
    background: var(--danger-color);
    color: white;
    position: fixed;
    bottom: 0;
    width: 100%;
    padding: 16px;
    text-align: center;
    display: none;
    z-index: 9999;
}

#blazor-error-ui .reload {
    color: white;
    text-decoration: underline;
    margin-left: 8px;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
}

.blazor-error-boundary {
    background: #b32121;
    padding: 1rem;
    color: white;
}

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

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

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

.validation-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 4px;
}

/* Syncfusion Overrides */
.e-control,
.e-lib {
    font-family: inherit !important;
}

/* Primary Button Override */
.e-btn.e-primary,
.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s;
    color: white;
    padding: 8px 16px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
}

.e-btn.e-primary:hover,
.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #7c3aed 100%);
    box-shadow: var(--shadow-lg);
}

/* Grid Styling */
.e-grid {
    border: none !important;
}

.e-grid .e-gridheader {
    background: var(--bg-secondary) !important;
}

.e-grid .e-headercell {
    font-weight: 600 !important;
    color: var(--text-primary) !important;
}

.e-grid .e-rowcell {
    color: var(--text-primary) !important;
}

/* High Contrast Grid Overrides - ensure maximum readability */
[data-high-contrast="true"] .e-grid,
[data-high-contrast="true"] .e-grid .e-content,
[data-high-contrast="true"] .e-grid .e-table {
    background: #000000 !important;
}

[data-high-contrast="true"] .e-grid .e-gridheader,
[data-high-contrast="true"] .e-grid .e-headercontent {
    background: #000000 !important;
    border-color: #ffffff !important;
}

[data-high-contrast="true"] .e-grid .e-headercell,
[data-high-contrast="true"] .e-grid .e-headercelldiv {
    color: #ffffff !important;
    background: #000000 !important;
}

[data-high-contrast="true"] .e-grid .e-rowcell,
[data-high-contrast="true"] .e-grid .e-row,
[data-high-contrast="true"] .e-grid .e-altrow {
    color: #ffffff !important;
    background: #000000 !important;
    border-color: #ffffff !important;
}

[data-high-contrast="true"] .e-grid .e-row:hover .e-rowcell,
[data-high-contrast="true"] .e-grid .e-row:hover {
    background: #333333 !important;
}

[data-high-contrast="true"] .e-grid .e-rowcell a,
[data-high-contrast="true"] .e-grid .e-rowcell .e-link {
    color: #ffd939 !important;
}

[data-high-contrast="true"] .e-grid .e-pager {
    background: #000000 !important;
    border-color: #ffffff !important;
}

[data-high-contrast="true"] .e-grid .e-pager .e-numericitem,
[data-high-contrast="true"] .e-grid .e-pager .e-icon-first,
[data-high-contrast="true"] .e-grid .e-pager .e-icon-prev,
[data-high-contrast="true"] .e-grid .e-pager .e-icon-next,
[data-high-contrast="true"] .e-grid .e-pager .e-icon-last {
    color: #ffffff !important;
}

[data-high-contrast="true"] .e-input,
[data-high-contrast="true"] .e-textbox,
[data-high-contrast="true"] .e-dropdownlist {
    background: #000000 !important;
    color: #ffffff !important;
    border-color: #ffffff !important;
}

/* Schedule Styling */
.e-schedule .e-schedule-toolbar {
    background: var(--bg-secondary) !important;
}

/* Let Syncfusion manage z-index automatically */

/* Dropdown Button Styling */
.e-dropdown-btn.e-inherit {
    background: transparent;
}

/* Card Styling */
.card {
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 24px;
}

/* Utility Classes */
.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-success { color: var(--success-color); }
.text-warning { color: var(--warning-color); }
.text-danger { color: var(--danger-color); }

.bg-primary { background-color: var(--bg-primary); }
.bg-secondary { background-color: var(--bg-secondary); }

/* Responsive Utilities */
@media (max-width: 768px) {
    .hide-mobile {
        display: none !important;
    }
}

@media (min-width: 769px) {
    .hide-desktop {
        display: none !important;
    }
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.2s ease-out;
}

.modal-overlay.modal-blocking {
    background: rgba(0, 0, 0, 0.75);
}

/* Email verification overlay - lighter so app is visible behind */
.modal-overlay.email-verification-overlay {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(2px);
}

.modal-content {
    background: white;
    border-radius: 16px;
    padding: 32px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease-out;
}

.modal-icon {
    color: var(--primary-color);
    margin-bottom: 16px;
}

.modal-icon.email-icon {
    color: var(--warning-color);
}

.modal-content h2 {
    margin: 0 0 12px 0;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.modal-content p {
    color: var(--text-secondary);
    margin: 0 0 16px 0;
    line-height: 1.6;
}

.modal-content .verification-info {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.modal-content .verification-info strong {
    color: var(--primary-color);
    word-break: break-all;
}

.modal-content .verification-instruction {
    font-size: 0.9rem;
}

.modal-message {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.modal-message.success {
    background: #dcfce7;
    color: #166534;
}

.modal-message.error {
    background: #fee2e2;
    color: #991b1b;
}

.modal-error {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.modal-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

.modal-footer {
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 24px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

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

.btn-text {
    background: transparent;
    border: none;
    color: var(--primary-color);
    padding: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-text:hover:not(:disabled) {
    text-decoration: underline;
}

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

.btn-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 0.875rem;
    cursor: pointer;
    text-decoration: underline;
}

.btn-link:hover {
    color: var(--text-primary);
}

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

.spinner-small {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}