:root {
    --primary-color: #2563eb;
    --primary-color-darker: #1d4ed8;
    --primary-color-darkest: #1e40af;
    --background-color: #f8fafc;
    --text-color: #1e293b;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: #64748b;
    font-size: 1.2rem;
}

main {
    margin: 0;
    padding: 0;
    flex-grow: 0;
}

.cta-section {
    text-align: center;
    padding-top: 2rem;
}

.calendar-button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: box-shadow 0.2s, background-color 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.calendar-button:hover {
    background-color: var(--primary-color-darker);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.calendar-button:active {
    background-color: var(--primary-color-darkest);
    transform: scale(0.98);
    box-shadow: none;
}

.calendar-icon {
    font-size: 1.2rem;
}

footer {
    text-align: center;
    color: #64748b;
    margin-top: auto;
    flex-shrink: 0;
}

@media (max-width: 600px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    .calendar-button {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
    }
}

.calendar-link {
    display: inline-block;
    margin: 20px 0;
    padding: 12px 24px;
    background-color: #FC4C02;
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
}
.calendar-link:hover {
    background-color: #E34402;
}
.loading {
    color: #666;
    margin: 20px 0;
}
.error {
    color: #cc0000;
    margin: 20px 0;
}
.instructions {
    margin-top: 30px;
    text-align: left;
    padding: 20px;
    background-color: #f5f5f5;
    border-radius: 4px;
}

/* Success styles */
.success-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

.calendar-buttons {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.instructions-title {
    color: #2d3748;
    margin-bottom: 20px;
    font-size: 1.1em;
}

.url-container {
    background-color: white;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.url-label {
    color: #4a5568;
    margin-bottom: 8px;
    font-size: 0.9em;
}

.url-code {
    display: block;
    background-color: #f7fafc;
    padding: 12px;
    border-radius: 6px;
    font-family: monospace;
    font-size: 0.9em;
    word-break: break-all;
    margin-bottom: 12px;
    color: #2d3748;
}

.copy-button {
    padding: 8px 16px;
    background-color: #EDF2F7;
    color: #4A5568;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9em;
    font-weight: 500;
    transition: all 0.2s;
}

.copy-button:hover {
    background-color: #E2E8F0;
}

.privacy-note {
    display: flex;
    align-items: center;
    color: #718096;
    font-size: 0.9em;
    margin: 0;
}

.catch-up-section {
    margin: 24px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
    text-align: center;
}

.section-title {
    font-size: 1.1em;
    margin-bottom: 8px;
    color: #2d3748;
}

.catch-up-description {
    color: #4a5568;
    font-size: 0.95em;
    margin-bottom: 16px;
}

.catch-up-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    background-color: #4CAF50;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.95em;
    cursor: pointer;
    transition: background-color 0.2s;
}

.catch-up-button:hover {
    background-color: #45a049;
}

.catch-up-button svg {
    margin-right: 8px;
}