/* ===== CSS Variables & Theming ===== */
:root {
    /* Primary palette – calming teal/blue inspired by psychology & well-being */
    --primary-color: #2a9d8f;
    --primary-color-rgb: 42, 157, 143;
    --primary-dark: #21867a;
    --primary-light: #5cc5b8;
    --primary-gradient: linear-gradient(135deg, #2a9d8f 0%, #264653 100%);

    /* Accent */
    --accent-color: #e76f51;
    --accent-color-rgb: 231, 111, 81;
    --accent-light: #f4a261;

    /* Backgrounds */
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-secondary-rgb: 248, 249, 250;
    --bg-tertiary: #e9ecef;

    /* Text */
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --text-muted: #adb5bd;
    --text-on-primary: #ffffff;

    /* Cards & surfaces */
    --card-bg: #ffffff;
    --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.12);

    /* Borders */
    --border-color: #dee2e6;
    --border-radius: 0.75rem;
    --border-radius-sm: 0.5rem;
    --border-radius-pill: 50rem;

    /* Misc */
    --transition-speed: 0.3s;
    --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

[data-theme="dark"] {
    --primary-color: #3cc9b8;
    --primary-color-rgb: 60, 201, 184;
    --primary-dark: #2a9d8f;
    --primary-light: #6ee4d6;
    --primary-gradient: linear-gradient(135deg, #3cc9b8 0%, #1a3a4a 100%);

    --accent-color: #f4a261;
    --accent-color-rgb: 244, 162, 97;
    --accent-light: #e76f51;

    --bg-primary: #1a1d23;
    --bg-secondary: #22262e;
    --bg-secondary-rgb: 34, 38, 46;
    --bg-tertiary: #2c3039;

    --text-primary: #e8eaed;
    --text-secondary: #9aa0a6;
    --text-muted: #5f6368;
    --text-on-primary: #ffffff;

    --card-bg: #22262e;
    --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    --card-shadow-hover: 0 8px 30px rgba(0, 0, 0, 0.4);

    --border-color: #3c4043;
}

/* ===== Global Reset & Base ===== */
html, body {
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color var(--transition-speed) ease,
                color var(--transition-speed) ease;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

a, .btn-link {
    color: var(--primary-color);
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: var(--primary-dark);
}

/* ===== Buttons ===== */
.btn-primary {
    color: var(--text-on-primary);
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed) ease;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--primary-color-rgb), 0.3);
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed) ease;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: var(--text-on-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--primary-color-rgb), 0.3);
}

.btn-accent {
    color: var(--text-on-primary);
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-speed) ease;
}

.btn-accent:hover {
    background-color: var(--accent-light);
    border-color: var(--accent-light);
    color: var(--text-on-primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--accent-color-rgb), 0.3);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem var(--bg-primary), 0 0 0 0.25rem rgba(var(--primary-color-rgb), 0.5);
}

/* ===== Cards ===== */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--card-shadow);
    transition: all var(--transition-speed) ease;
}

.card:hover {
    box-shadow: var(--card-shadow-hover);
}

/* ===== Content ===== */
.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

/* ===== Forms ===== */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
}

.invalid {
    outline: 1px solid #e51160;
}

.validation-message {
    color: #e51160;
}

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

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

/* ===== Error UI ===== */
.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."
}

#blazor-error-ui {
    background: var(--accent-color);
    color: var(--text-on-primary);
    padding: 0.75rem 1.5rem;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: none;
    text-align: center;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

#blazor-error-ui .dismiss {
    cursor: pointer;
    margin-left: 1rem;
}

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* ===== Progress bar theme support ===== */
.progress {
    background-color: var(--bg-tertiary);
    border-radius: var(--border-radius-pill);
    overflow: hidden;
}

.progress-bar {
    background: var(--primary-gradient);
    transition: width 0.6s ease;
}

/* ===== Utility ===== */
.text-primary-theme {
    color: var(--primary-color) !important;
}

.bg-primary-gradient {
    background: var(--primary-gradient) !important;
}

.text-accent {
    color: var(--accent-color) !important;
}

/* ===== Print ===== */
@media print {
    .sidebar,
    .sidebar-reopen-btn,
    #blazor-error-ui {
        display: none !important;
    }
}