@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-bg: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.3);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.4);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    box-sizing: border-box;
}

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    margin: 0;
    padding: 0;
}

body {
    overflow-x: hidden;
}

/* Modern scrollbar */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 10px;
    transition: var(--transition-base);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #7689f0 0%, #8558b0 100%);
}

/* Selection styling */
::selection {
    background: rgba(102, 126, 234, 0.3);
    color: white;
}

::-moz-selection {
    background: rgba(102, 126, 234, 0.3);
    color: white;
}

a, .btn-link {
    color: #667eea;
    text-decoration: none;
    transition: var(--transition-base);
}

a:hover, .btn-link:hover {
    color: #7689f0;
    text-decoration: none;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 50px;
    font-weight: 600;
    padding: 0.625rem 1.5rem;
    transition: var(--transition-base);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
    background: linear-gradient(135deg, #7689f0 0%, #8558b0 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
    outline: none;
}

/* Modern form controls */
.form-control, .form-select {
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    background: var(--glass-bg);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
    padding: 0.625rem 1rem;
}

.form-control:focus, .form-select:focus {
    background: rgba(255, 255, 255, 0.08);
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
    color: var(--text-primary);
}

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

.account-page {
    min-height: 100vh;
    padding: 2rem clamp(1rem, 4vw, 4rem);
    color: #212529;
}

.account-page .form-control {
    background: #fff;
    border-color: #ced4da;
    color: #212529;
    caret-color: #212529;
    backdrop-filter: none;
}

.account-page .form-control:focus {
    background: #fff;
    border-color: #667eea;
    color: #212529;
}

.account-page .form-floating > label {
    color: #6c757d;
}

.account-page .form-control::placeholder {
    color: #6c757d;
}

.content {
    padding-top: 1.1rem;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

h1:focus {
    outline: none;
}

/* Modern card styling */
.card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Loading states */
.spinner-border {
    animation: spinner-border 0.75s linear infinite;
}

@keyframes spinner-border {
    to {
        transform: rotate(360deg);
    }
}

/* Validation */
.valid.modified:not([type=checkbox]) {
    outline: 1px solid #26b050;
    box-shadow: 0 0 0 3px rgba(38, 176, 80, 0.2);
}

.invalid {
    outline: 1px solid #e50000;
    box-shadow: 0 0 0 3px rgba(229, 0, 0, 0.2);
}

.validation-message {
    color: #ff6b6b;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Error boundary */
.blazor-error-boundary {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    position: relative;
}

.blazor-error-boundary::before {
    content: '?';
    position: absolute;
    left: 1rem;
    font-size: 1.8rem;
    top: 50%;
    transform: translateY(-50%);
}

.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(--text-secondary);
    text-align: end;
}

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

/* Utility animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

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

.slide-in {
    animation: slideIn 0.3s ease forwards;
}

.scale-in {
    animation: scaleIn 0.3s ease forwards;
}

/* Modern badge */
.badge {
    border-radius: 50px;
    padding: 0.375rem 0.875rem;
    font-weight: 600;
    font-size: 0.875rem;
    letter-spacing: 0.02em;
}

/* Smooth transitions for all interactive elements */
button, a, input, select, textarea {
    transition: var(--transition-base);
}

/* Focus visible for accessibility */
*:focus-visible {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}