/* Music Theory Mastery - Brand Style Guide Implementation */
:root {
    /* Brand Colors from Style Guide */
    --bg: #0b0f1a;
    --card: #11182a;
    --muted: #9fb0d0;
    --brand1: #ff7f50;
    --brand2: #ff4d4d;
    --text: #ffffff;
    /* Semantic Colors */
    --success-color: #4ade80;
    --warning-color: #facc15;
    --danger-color: #ef4444;
    --info-color: #06b6d4;
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.15);
    --shadow-md: 0 8px 25px rgba(0,0,0,0.25);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.35);
    /* Border Radius */
    --border-radius: 10px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    /* Transitions */
    --transition: all 0.3s ease;
    /* Bootstrap CSS Variable Overrides for Dark Theme */
    --bs-body-bg: var(--bg);
    --bs-body-color: var(--text);
    --bs-card-bg: var(--card);
    --bs-card-color: var(--text);
    --bs-card-border-color: rgba(255,255,255,0.08);
    --bs-card-cap-bg: rgba(255,255,255,0.02);
    --bs-card-cap-color: var(--text);
    --bs-border-color: rgba(255,255,255,0.08);
    --bs-secondary-bg: var(--card);
    --bs-secondary-color: var(--text);
    --bs-tertiary-bg: rgba(255,255,255,0.05);
    --bs-tertiary-color: var(--muted);
    --bs-emphasis-color: var(--text);
    --bs-secondary-color: var(--muted);
    --bs-link-color: var(--brand1);
    --bs-link-hover-color: var(--brand2);
    /* Form controls */
    --bs-form-control-bg: #0c1326;
    --bs-form-control-color: var(--text);
    --bs-form-control-border-color: rgba(255,255,255,0.16);
    --bs-form-control-focus-border-color: var(--brand1);
    --bs-form-control-focus-box-shadow: 0 0 0 0.25rem rgba(255, 127, 80, 0.25);
    /* Tables */
    --bs-table-bg: var(--card);
    --bs-table-color: var(--text);
    --bs-table-border-color: rgba(255,255,255,0.08);
    --bs-table-striped-bg: rgba(255,255,255,0.02);
    --bs-table-hover-bg: rgba(255,255,255,0.05);
    /* Modals */
    --bs-modal-bg: var(--card);
    --bs-modal-color: var(--text);
    --bs-modal-border-color: rgba(255,255,255,0.08);
    --bs-modal-header-border-color: rgba(255,255,255,0.08);
    --bs-modal-footer-border-color: rgba(255,255,255,0.08);
    /* Dropdowns */
    --bs-dropdown-bg: var(--card);
    --bs-dropdown-color: var(--text);
    --bs-dropdown-border-color: rgba(255,255,255,0.08);
    --bs-dropdown-link-color: var(--text);
    --bs-dropdown-link-hover-color: var(--text);
    --bs-dropdown-link-hover-bg: rgba(255,255,255,0.1);
    /* List groups */
    --bs-list-group-bg: var(--card);
    --bs-list-group-color: var(--text);
    --bs-list-group-border-color: rgba(255,255,255,0.08);
    --bs-list-group-item-bg: var(--card);
    --bs-list-group-hover-bg: rgba(255,255,255,0.05);
    --bs-list-group-active-bg: var(--brand1);
    --bs-list-group-active-color: white;
    /* Navbar */
    --bs-navbar-color: rgba(255,255,255,0.8);
    --bs-navbar-hover-color: white;
    --bs-navbar-active-color: white;
    --bs-navbar-brand-color: white;
    --bs-navbar-brand-hover-color: var(--brand1);
    /* Text colors */
    --bs-primary: var(--brand1);
    --bs-success: var(--success-color);
    --bs-info: var(--info-color);
    --bs-warning: var(--warning-color);
    --bs-danger: var(--danger-color);
}

/* Reset and Base Styles */
* {
    box-sizing: border-box;
}

html, body {
    font-family: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    margin: 0;
    padding: 0;
    font-size: 16px;
}

/* Content pages (Privacy, Terms) styling - for landing layout only */
.landing-content .card {
    background: rgba(255, 255, 255, 0.1) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;
}

.landing-content .card-body {
    background: transparent !important;
    color: var(--text) !important;
}

    .landing-content .card-body *,
    .landing-content .card-body p,
    .landing-content .card-body li,
    .landing-content .card-body span,
    .landing-content .card-body div {
        color: var(--text) !important;
    }

    .landing-content .card-body h1,
    .landing-content .card-body h2,
    .landing-content .card-body h3,
    .landing-content .card-body h4,
    .landing-content .card-body h5,
    .landing-content .card-body h6 {
        color: var(--text) !important;
        font-weight: 600 !important;
    }

    .landing-content .card-body ul,
    .landing-content .card-body ol {
        color: var(--text) !important;
    }

.landing-content .lead {
    color: var(--muted) !important;
    font-size: 1.1rem !important;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

h1 {
    font-size: clamp(2rem, 4.4vw, 3.1rem);
}

    h1:focus {
        outline: unset;
    }

h2 {
    font-size: 1.8rem;
}

h3 {
    font-size: 1.4rem;
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1rem;
}

/* Eyebrow text styling */
.eyebrow {
    font-size: 0.86rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
}

/* Links */
a {
    color: var(--brand1);
    text-decoration: none;
    transition: var(--transition);
}

    a:hover {
        color: var(--brand2);
        text-decoration: underline;
    }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    padding: 0 20px;
    font-size: 0.9rem;
    font-weight: 700;
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    background: none;
    color: var(--text);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--brand1), var(--brand2));
    color: white;
    border: none;
}

    .btn-primary:hover:not(:disabled) {
        transform: translateY(-1px);
        box-shadow: var(--shadow-md);
        color: white;
        text-decoration: none;
        filter: brightness(1.1);
    }

.btn-secondary {
    background-color: var(--card);
    color: var(--text);
    border: 1px solid rgba(255,255,255,0.16);
}

    .btn-secondary:hover:not(:disabled) {
        background-color: rgba(255,255,255,0.1);
        color: var(--text);
        text-decoration: none;
    }

.btn-outline-primary {
    color: var(--brand1);
    border-color: var(--brand1);
    background: transparent;
}

    .btn-outline-primary:hover {
        background: linear-gradient(135deg, var(--brand1), var(--brand2));
        color: white;
        text-decoration: none;
    }

.btn-outline-secondary {
    color: var(--muted);
    border-color: rgba(255,255,255,0.16);
    background: transparent;
}

    .btn-outline-secondary:hover {
        background-color: rgba(255,255,255,0.1);
        border-color: rgba(255,255,255,0.3);
        color: var(--text);
        text-decoration: none;
    }

.btn-sm {
    height: 36px;
    padding: 0 16px;
    font-size: 0.8rem;
}

.btn-lg {
    height: 56px;
    padding: 0 24px;
    font-size: 1.1rem;
}

/* Forms */
.form-control {
    display: block;
    width: 100%;
    height: 48px;
    padding: 14px 16px;
    font-size: 1rem;
    border: 1px solid rgba(255,255,255,0.16);
    border-radius: var(--border-radius);
    transition: var(--transition);
    background: #0c1326;
    color: var(--text);
}

    .form-control::placeholder {
        color: var(--muted);
    }

    .form-control:focus {
        outline: none;
        border-color: var(--brand1);
        box-shadow: 0 0 0 3px rgba(255, 127, 80, 0.2);
    }

textarea.form-control {
    height: auto;
    resize: vertical;
}

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

.form-check-input {
    margin-right: 0.5rem;
    accent-color: var(--brand1);
}

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

/* Cards */
.card {
    background: var(--card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(255,255,255,0.08);
    overflow: hidden;
    transition: var(--transition);
}

    .card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-2px);
    }

    .card a {
        text-decoration: underline;
    }

.card-header {
    padding: 1.5rem;
    background: rgba(255,255,255,0.02);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    padding: 1rem 1.5rem;
    background: rgba(255,255,255,0.02);
    border-top: 1px solid rgba(255,255,255,0.08);
}

/* Badges */
.badge {
    font-size: 0.9rem;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.14);
    color: var(--text);
    font-weight: 500;
}

    .badge.bg-primary {
        background: linear-gradient(135deg, var(--brand1), var(--brand2)) !important;
        border: none;
        color: white;
    }

    .badge.bg-success {
        background: var(--success-color) !important;
        border: none;
        color: white;
    }

    .badge.bg-warning {
        background: var(--warning-color) !important;
        border: none;
        color: black;
    }

    .badge.bg-info {
        background: var(--info-color) !important;
        border: none;
        color: white;
    }

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(74, 222, 128, 0.1);
    border-color: rgba(74, 222, 128, 0.3);
    color: #86efac;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

.alert-warning {
    background: rgba(250, 204, 21, 0.1);
    border-color: rgba(250, 204, 21, 0.3);
    color: #fde047;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.3);
    color: #93c5fd;
}

/* Validation */
.validation-message {
    color: var(--danger-color);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

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

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

/* Container */
.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 20px;
}

.container-fluid {
    width: 100%;
    padding: 0 20px;
}

/* Grid System - Simplified for brand consistency */
.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 -0.75rem;
}

.col,
.col-1, .col-2, .col-3, .col-4, .col-5, .col-6,
.col-7, .col-8, .col-9, .col-10, .col-11, .col-12,
.col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5, .col-md-6,
.col-md-7, .col-md-8, .col-md-9, .col-md-10, .col-md-11, .col-md-12,
.col-lg-1, .col-lg-2, .col-lg-3, .col-lg-4, .col-lg-5, .col-lg-6,
.col-lg-7, .col-lg-8, .col-lg-9, .col-lg-10, .col-lg-11, .col-lg-12 {
    padding: 0 0.75rem;
    width: 100%;
}

/* Grid columns */
.col-1 {
    flex: 0 0 8.333333%;
    max-width: 8.333333%;
}

.col-2 {
    flex: 0 0 16.666667%;
    max-width: 16.666667%;
}

.col-3 {
    flex: 0 0 25%;
    max-width: 25%;
}

.col-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
}

.col-5 {
    flex: 0 0 41.666667%;
    max-width: 41.666667%;
}

.col-6 {
    flex: 0 0 50%;
    max-width: 50%;
}

.col-7 {
    flex: 0 0 58.333333%;
    max-width: 58.333333%;
}

.col-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
}

.col-9 {
    flex: 0 0 75%;
    max-width: 75%;
}

.col-10 {
    flex: 0 0 83.333333%;
    max-width: 83.333333%;
}

.col-11 {
    flex: 0 0 91.666667%;
    max-width: 91.666667%;
}

.col-12 {
    flex: 0 0 100%;
    max-width: 100%;
}

/* Responsive grid */
@media (min-width: 768px) {
    .col-md-1 {
        flex: 0 0 8.333333%;
        max-width: 8.333333%;
    }

    .col-md-2 {
        flex: 0 0 16.666667%;
        max-width: 16.666667%;
    }

    .col-md-3 {
        flex: 0 0 25%;
        max-width: 25%;
    }

    .col-md-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }

    .col-md-5 {
        flex: 0 0 41.666667%;
        max-width: 41.666667%;
    }

    .col-md-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .col-md-7 {
        flex: 0 0 58.333333%;
        max-width: 58.333333%;
    }

    .col-md-8 {
        flex: 0 0 66.666667%;
        max-width: 66.666667%;
    }

    .col-md-9 {
        flex: 0 0 75%;
        max-width: 75%;
    }

    .col-md-10 {
        flex: 0 0 83.333333%;
        max-width: 83.333333%;
    }

    .col-md-11 {
        flex: 0 0 91.666667%;
        max-width: 91.666667%;
    }

    .col-md-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

@media (min-width: 992px) {
    .col-lg-1 {
        flex: 0 0 8.333333%;
        max-width: 8.333333%;
    }

    .col-lg-2 {
        flex: 0 0 16.666667%;
        max-width: 16.666667%;
    }

    .col-lg-3 {
        flex: 0 0 25%;
        max-width: 25%;
    }

    .col-lg-4 {
        flex: 0 0 33.333333%;
        max-width: 33.333333%;
    }

    .col-lg-5 {
        flex: 0 0 41.666667%;
        max-width: 41.666667%;
    }

    .col-lg-6 {
        flex: 0 0 50%;
        max-width: 50%;
    }

    .col-lg-7 {
        flex: 0 0 58.333333%;
        max-width: 58.333333%;
    }

    .col-lg-8 {
        flex: 0 0 66.666667%;
        max-width: 66.666667%;
    }

    .col-lg-9 {
        flex: 0 0 75%;
        max-width: 75%;
    }

    .col-lg-10 {
        flex: 0 0 83.333333%;
        max-width: 83.333333%;
    }

    .col-lg-11 {
        flex: 0 0 91.666667%;
        max-width: 91.666667%;
    }

    .col-lg-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

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

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

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

.text-primary {
    color: var(--brand1) !important;
}

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

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

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

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

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

/* Spacing utilities */
.mb-0 {
    margin-bottom: 0 !important;
}

.mb-1 {
    margin-bottom: 0.25rem !important;
}

.mb-2 {
    margin-bottom: 0.5rem !important;
}

.mb-3 {
    margin-bottom: 1rem !important;
}

.mb-4 {
    margin-bottom: 1.5rem !important;
}

.mb-5 {
    margin-bottom: 3rem !important;
}

.mt-0 {
    margin-top: 0 !important;
}

.mt-1 {
    margin-top: 0.25rem !important;
}

.mt-2 {
    margin-top: 0.5rem !important;
}

.mt-3 {
    margin-top: 1rem !important;
}

.mt-4 {
    margin-top: 1.5rem !important;
}

.mt-5 {
    margin-top: 3rem !important;
}

.p-0 {
    padding: 0 !important;
}

.p-1 {
    padding: 0.25rem !important;
}

.p-2 {
    padding: 0.5rem !important;
}

.p-3 {
    padding: 1rem !important;
}

.p-4 {
    padding: 1.5rem !important;
}

.p-5 {
    padding: 3rem !important;
}

.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-flex {
    display: flex !important;
}

.d-grid {
    display: grid !important;
}

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

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

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

.w-100 {
    width: 100% !important;
}

.h-100 {
    height: 100% !important;
}

/* Background utilities */
.bg-light {
    background-color: rgba(255,255,255,0.05) !important;
}

.bg-dark {
    background-color: var(--card) !important;
}

.bg-primary {
    background: linear-gradient(135deg, var(--brand1), var(--brand2)) !important;
}

.bg-transparent {
    background-color: transparent !important;
}



.cookie-consent-banner {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1050;
    background: rgba(17, 24, 42, 0.98);
    border-top: 1px solid rgba(255,255,255,0.08);
    color: var(--text, #fff);
}

.cookie-consent-content {
    max-width: 1120px;
    margin: 0 auto;
    padding: 12px 16px;
    display: flex;
    gap: 12px;
    align-items: center;
    justify-content: space-between;
}

    .cookie-consent-content p {
        margin: 0;
        font-size: 0.95rem;
        color: var(--text, #fff);
    }

    .cookie-consent-content a {
        color: var(--brand1, #ff7f50);
    }


/* Spinners */
.spinner-border {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    vertical-align: text-bottom;
    border: 0.25em solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.2em;
}

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

    100% {
        transform: rotate(360deg);
    }
}

/* Accessibility */
.visually-hidden {
    position: absolute !important;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,1px,1px);
    white-space: nowrap;
    border: 0;
}

/* Error UI */
#blazor-error-ui {
    background: linear-gradient(135deg, var(--danger-color), #dc2626);
    bottom: 0;
    box-shadow: var(--shadow-lg);
    display: none;
    left: 0;
    padding: 1rem 1.5rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
    color: white;
    font-weight: 500;
    border-top: 3px solid rgba(255,255,255,0.3);
}

    #blazor-error-ui .dismiss {
        cursor: pointer;
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        font-size: 1.5rem;
        color: white;
        opacity: 0.8;
        text-decoration: none;
        line-height: 1;
        padding: 0.25rem;
        border-radius: 4px;
        background: rgba(255,255,255,0.1);
        width: 32px;
        height: 32px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

        #blazor-error-ui .dismiss:hover {
            opacity: 1;
            background: rgba(255,255,255,0.2);
        }

    #blazor-error-ui .reload {
        color: white;
        text-decoration: none;
        font-weight: 600;
        margin-left: 1rem;
        padding: 0.5rem 1rem;
        background: rgba(255,255,255,0.2);
        border-radius: 4px;
        transition: var(--transition);
    }

        #blazor-error-ui .reload:hover {
            background: rgba(255,255,255,0.3);
            color: white;
            text-decoration: none;
        }

    /* Blazor reconnection UI styling */
    #blazor-error-ui::after {
        content: attr(data-message);
        display: block;
        font-size: 0.9rem;
        opacity: 0.9;
        margin-top: 0.25rem;
    }

/* Blazor reconnect dialog is now styled via JavaScript injection in reconnect-styling.js */

/* Responsive Design */
@media (max-width: 767px) {
    .container {
        padding: 0 16px;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }
}