/* Trial Portal - Styles */

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

:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --bg: #f8fafc;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --input-bg: #f1f5f9;
    --error: #ef4444;
    --success: #10b981;
    --radius: 12px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* --- Cards --- */

.container {
    width: 100%;
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.04), 0 1px 2px -1px rgb(0 0 0 / 0.04);
}

/* --- Logo --- */

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 32px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.logo-icon img {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.logo-sub {
    font-size: 12px;
    color: var(--text-secondary);
}

/* --- Typography --- */

h1 {
    font-size: 24px;
    font-weight: 700;
    line-height: 1.3;
}

.subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* --- Index page: form --- */

.index-page .container {
    max-width: 480px;
}

.index-page .card {
    padding: 40px 32px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    font-size: 15px;
    font-family: inherit;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.form-group input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgb(37 99 235 / 0.15);
}

.form-group input.error {
    border-color: var(--error);
    box-shadow: 0 0 0 3px rgb(239 68 68 / 0.15);
}

.index-page .subtitle {
    margin-bottom: 28px;
}

/* --- Button --- */

.btn {
    width: 100%;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    color: white;
    background: var(--primary);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

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

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* --- Spinner --- */

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgb(255 255 255 / 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: none;
}

.btn.loading .spinner {
    display: block;
}

.btn.loading .btn-text {
    display: none;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* --- Message --- */

.message {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    line-height: 1.5;
    display: none;
}

.message.error {
    display: block;
    background: #fef2f2;
    color: var(--error);
    border: 1px solid #fecaca;
}

/* --- Features --- */

.features {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.features h3 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.features ul {
    list-style: none;
    display: grid;
    gap: 8px;
}

.features li {
    font-size: 13px;
    color: var(--text-secondary);
    padding-left: 20px;
    position: relative;
}

.features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 600;
}

/* --- Success page --- */

.success-page .container {
    max-width: 520px;
    text-align: center;
}

.success-page .card {
    padding: 48px 32px;
}

.success-page .logo {
    text-align: left;
}

.check-icon {
    width: 64px;
    height: 64px;
    background: #ecfdf5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    color: var(--success);
    font-size: 32px;
}

.success-page .subtitle {
    font-size: 15px;
    margin-bottom: 32px;
    line-height: 1.6;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

.links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.link-btn {
    display: block;
    width: 100%;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    text-decoration: none;
    border-radius: 8px;
    transition: background 0.2s;
}

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

.link-btn.primary:hover {
    background: var(--primary-hover);
}

.link-btn.secondary {
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
}

.link-btn.secondary:hover {
    background: var(--border);
}

.footer {
    margin-top: 24px;
    font-size: 13px;
    color: var(--text-secondary);
}

.footer a {
    color: var(--primary);
    text-decoration: none;
}

.footer a:hover {
    text-decoration: underline;
}

/* --- Responsive --- */

@media (max-width: 520px) {
    .index-page .card {
        padding: 28px 20px;
    }

    .success-page .card {
        padding: 36px 20px;
    }

    .success-page .subtitle {
        font-size: 14px;
    }

    h1 {
        font-size: 20px;
    }
}