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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f7fa;
    color: #1a365d;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: #1a365d;
    color: white;
    padding: 24px 0;
}

.logo {
    font-size: 1.5em;
    font-weight: 700;
}

.logo span {
    color: #63b3ed;
    font-weight: 400;
}

.subtitle {
    font-size: 0.9em;
    opacity: 0.8;
    margin-top: 4px;
}

/* Main */
main {
    flex: 1;
    padding: 32px 0;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 32px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.card h2 {
    margin-bottom: 16px;
    color: #1a365d;
}

.card h3 {
    margin-bottom: 8px;
    color: #2d3748;
}

.card p {
    margin-bottom: 12px;
}

.card ul {
    margin: 16px 0;
    padding-left: 24px;
}

.card li {
    margin: 8px 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-size: 1em;
    margin-top: 8px;
}

.btn-primary {
    background: #2b6cb0;
    color: white;
}

.btn-primary:hover {
    background: #2c5282;
}

/* Info boxes */
.info-box {
    background: #ebf8ff;
    border-left: 4px solid #2b6cb0;
    padding: 16px;
    margin: 20px 0;
    border-radius: 0 4px 4px 0;
}

.warning {
    background: #fffbeb;
    border-left: 4px solid #d69e2e;
    padding: 12px 16px;
    margin: 20px 0;
    border-radius: 0 4px 4px 0;
    font-size: 0.9em;
}

/* Alerts */
.alert {
    padding: 16px;
    border-radius: 4px;
    margin: 20px 0;
}

.alert h3 {
    margin-bottom: 8px;
}

.alert.success {
    background: #f0fff4;
    border-left: 4px solid #38a169;
}

.alert.error {
    background: #fff5f5;
    border-left: 4px solid #e53e3e;
    color: #c53030;
}

/* Forms */
.form-group {
    margin: 20px 0;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
}

.form-group input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #cbd5e0;
    border-radius: 4px;
    font-size: 1em;
}

.form-group input:focus {
    outline: none;
    border-color: #2b6cb0;
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
}

.form-group small {
    display: block;
    margin-top: 4px;
    color: #718096;
}

.form-group code {
    background: #edf2f7;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.9em;
}

/* Progress */
.progress-bar {
    width: 100%;
    height: 28px;
    background: #e2e8f0;
    border-radius: 14px;
    overflow: hidden;
    margin: 20px 0 12px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #2b6cb0, #63b3ed);
    border-radius: 14px;
    transition: width 0.5s ease;
    min-width: 0;
}

.progress-text {
    text-align: center;
    font-size: 1.1em;
    font-weight: 600;
    margin: 8px 0;
}

.current-file {
    font-size: 0.85em;
    color: #718096;
    word-break: break-all;
    margin: 8px 0;
}

.phase {
    font-size: 0.9em;
    color: #4a5568;
    margin: 8px 0;
}

/* Misc */
.email {
    color: #718096;
    margin-bottom: 16px;
}

.hint {
    font-size: 0.85em;
    color: #a0aec0;
    margin-top: 16px;
    text-align: center;
}

.logout {
    margin-top: 24px;
    text-align: center;
}

.logout a {
    color: #718096;
    text-decoration: none;
}

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

/* Errors list */
#errors-list {
    margin-top: 20px;
    padding: 16px;
    background: #fffbeb;
    border-radius: 4px;
}

#errors-list h4 {
    margin-bottom: 8px;
    color: #975a16;
}

#errors-list ul {
    padding-left: 20px;
    font-size: 0.85em;
    color: #975a16;
}

/* Footer */
footer {
    background: #edf2f7;
    padding: 16px 0;
    text-align: center;
    font-size: 0.85em;
    color: #718096;
}

/* Responsive */
@media (max-width: 480px) {
    .card {
        padding: 20px;
    }

    .container {
        padding: 0 12px;
    }
}