/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #ec4899;
    --primary-dark: #db2777;
    --primary-light: #f9a8d4;
    --secondary: #f472b6;
    --secondary-dark: #ec4899;
    --danger: #dc2626;
    --warning: #f59e0b;
    --success: #10b981;
    --info: #ec4899;
    --gray-50: #fdf2f8;
    --gray-100: #fce7f3;
    --gray-200: #fbcfe8;
    --gray-300: #f9a8d4;
    --gray-600: #9d174d;
    --gray-700: #831843;
    --gray-800: #701a3c;
    --gray-900: #500724;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--gray-900);
    background-color: var(--gray-50);
    padding: 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Typography */
h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

h2 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--gray-800);
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--gray-700);
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 2rem 1rem 1rem;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.25rem;
}

.hero h2 {
    font-size: 1.5rem;
    margin-bottom: 0;
}

.hero p {
    font-size: 1.25rem;
    color: var(--gray-600);
}

.hero-large {
    text-align: center;
    padding: 4rem 1rem;
    margin-bottom: 2rem;
    background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 50%, #f9a8d4 100%);
    border-radius: 1rem;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--gray-700);
}

/* Header */
.header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

/* Cards */
.card {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.form-group input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 2fr 2fr 2fr auto;
    }

    .form-row .form-group {
        margin-bottom: 0;
    }

    .form-row button {
        align-self: flex-end;
    }
}

.help-text {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 0.5rem;
}

/* Buttons */
.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-block;
    text-decoration: none;
}

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

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-dark);
}

.btn-secondary {
    background-color: var(--secondary);
    color: white;
}

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

.btn-danger {
    background-color: var(--danger);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background-color: #991b1b;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 500;
}

.badge-success {
    background-color: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

/* Tables */
.table-responsive {
    overflow-x: auto;
    margin-top: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    text-align: left;
    padding: 0.75rem;
    background-color: var(--gray-100);
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-300);
}

td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--gray-200);
}

@media (max-width: 768px) {
    table {
        font-size: 0.875rem;
    }

    th, td {
        padding: 0.5rem;
    }
}

.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--gray-600);
}

/* Actions */
.actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    font-weight: 500;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-error {
    background-color: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* Info Section */
.info-section {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.info-section ol {
    margin-left: 1.5rem;
}

.info-section li {
    margin-bottom: 0.5rem;
}

/* Admin Link */
.admin-link input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    background-color: var(--gray-50);
    cursor: pointer;
}

/* Assignment Card */
.assignment-card {
    background: linear-gradient(135deg, #fce7f3 0%, #fbcfe8 100%);
    border: 2px solid var(--primary);
}

.assignment-reveal {
    text-align: center;
    padding: 2rem 1rem;
}

.assignment-label {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: 1rem;
}

.assignment-name {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.assignment-detail {
    font-size: 1rem;
    color: var(--gray-600);
    margin-bottom: 0.5rem;
}

.assignment-footer {
    font-size: 1.25rem;
    margin-top: 2rem;
}

.assignment-answers {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--primary);
    text-align: left;
}

.assignment-answers h3 {
    text-align: center;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.answer-item {
    background: white;
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
}

.answer-item strong {
    display: block;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.answer-item p {
    color: var(--gray-900);
    margin: 0;
}

.info-card {
    background-color: #fce7f3;
    border: 2px solid var(--info);
    text-align: center;
}

.info-card h3 {
    color: var(--primary-dark);
}

/* Loading state */
.loading {
    text-align: center;
    color: var(--gray-600);
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature {
    text-align: center;
    padding: 2rem 1rem;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

/* Access Card */
.access-card {
    max-width: 600px;
    margin: 0 auto 2rem;
}

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    width: 100%;
}

/* Admin Footer */
.admin-footer {
    text-align: center;
    padding: 2rem 1rem;
    margin-top: 3rem;
    border-top: 2px solid var(--gray-200);
}

.admin-footer p {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

/* Events List */
.events-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.event-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--gray-900);
    transition: all 0.2s;
}

.event-item:hover {
    background: var(--gray-100);
    border-color: var(--primary);
    transform: translateX(4px);
}

.event-date {
    display: block;
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-top: 0.25rem;
}

/* Recent Events */
.recent-event-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    transition: all 0.2s;
}

.recent-event-item:hover {
    background: var(--gray-100);
    border-color: var(--primary);
}

.recent-event-item span {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Login Card */
.login-card {
    max-width: 500px;
    margin: 0 auto;
}

/* Question Builder */
.question-item {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.75rem;
}

.question-item input {
    flex: 1;
}

/* Responsive adjustments */
@media (max-width: 640px) {
    body {
        padding: 0.5rem;
    }

    .hero {
        padding: 1rem 0.5rem 0.5rem;
        margin-bottom: 1rem;
    }

    .hero h1 {
        font-size: 1.75rem;
        margin-bottom: 0.25rem;
    }

    .hero h2 {
        font-size: 1.25rem;
        margin-bottom: 0;
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-large {
        padding: 2rem 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    h1 {
        font-size: 1.875rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .card {
        padding: 1rem;
    }

    .assignment-name {
        font-size: 2rem;
    }

    .actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

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