/* ==========================================
   Wayback Recovery — Installer Styles
   ========================================== */

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

:root {
    --color-bg: #f0f2f5;
    --color-primary: #4f6ef7;
    --color-primary-hover: #3b5bdb;
    --color-success: #2ecc71;
    --color-danger: #e74c3c;
    --color-text: #2c3e50;
    --color-text-light: #7f8c8d;
    --color-border: #e1e4e8;
    --color-card: #ffffff;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

html, body {
    height: 100%;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
}

.install-container {
    max-width: 680px;
    margin: 40px auto;
    padding: 0 20px;
}

.install-header {
    text-align: center;
    margin-bottom: 32px;
}

.install-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text);
}

.install-header p {
    color: var(--color-text-light);
    margin-top: 4px;
}

/* Step Indicator */
.step-indicator {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 32px;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: 0.5;
}

.step.active { opacity: 1; }
.step.completed { opacity: 0.8; }

.step-circle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--color-border);
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
}

.step.active .step-circle {
    background: var(--color-primary);
    color: #fff;
}

.step.completed .step-circle {
    background: var(--color-success);
    color: #fff;
}

.step-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-light);
}

/* Card */
.install-card {
    background: var(--color-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
}

.install-card h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

/* Form */
.form-section {
    margin-bottom: 24px;
}

.form-section h3 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--color-border);
}

.form-group {
    margin-bottom: 14px;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 4px;
    font-size: 13px;
    color: var(--color-text);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 14px;
    color: var(--color-text);
    background: #fff;
    transition: border-color 0.15s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 110, 247, 0.15);
}

.form-help {
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: 12px;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--color-border);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.15s ease;
    text-decoration: none;
    line-height: 1.4;
}

.btn-primary {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

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

.btn-secondary {
    background: #fff;
    color: var(--color-text);
    border-color: var(--color-border);
}

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

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
    font-size: 14px;
}

.alert-error {
    background: #fde8e8;
    color: #c0392b;
    border: 1px solid #f5c6cb;
}

.alert-error ul {
    margin: 0;
    padding-left: 20px;
}

.alert-error li { margin-bottom: 2px; }

.alert-success {
    background: #d1fae5;
    color: #059669;
    border: 1px solid #a7f3d0;
}

/* Environment Checks */
.check-list {
    margin-bottom: 16px;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-bottom: 1px solid var(--color-border);
    font-size: 13px;
}

.check-item:last-child {
    border-bottom: none;
}

.check-status {
    font-weight: 700;
    font-size: 12px;
    min-width: 44px;
}

.check-pass .check-status { color: var(--color-success); }
.check-fail .check-status { color: var(--color-danger); }

.check-name {
    flex: 1;
    font-weight: 500;
}

.check-detail {
    color: var(--color-text-light);
    font-size: 12px;
}

.env-summary {
    padding: 10px 14px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 500;
    text-align: center;
}

.env-pass {
    background: #d1fae5;
    color: #059669;
    border: 1px solid #a7f3d0;
}

.env-fail {
    background: #fde8e8;
    color: #c0392b;
    border: 1px solid #f5c6cb;
}

/* Finish */
.finish-content {
    text-align: center;
    padding: 20px 0;
}

.success-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.install-summary {
    text-align: left;
    background: var(--color-bg);
    padding: 12px 16px;
    border-radius: 6px;
    margin: 16px 0;
    font-size: 13px;
}

.install-summary p {
    margin-bottom: 4px;
}

.text-small {
    font-size: 12px;
    color: var(--color-text-light);
}