/**
 * VD License Manager - Portal Styles
 *
 * Modern, responsive CSS for customer portal
 * Mobile-first design with CSS Grid and Flexbox
 *
 * @package VD_License_Manager
 * @version 1.0.0
 */

/* CSS Variables */
:root {
    --vd-primary: #007cba;
    --vd-success: #00a32a;
    --vd-warning: #f56e28;
    --vd-error: #d63638;
    --vd-info: #72aee6;
    --vd-text: #1e1e1e;
    --vd-text-muted: #757575;
    --vd-bg: #ffffff;
    --vd-bg-light: #f6f7f7;
    --vd-border: #dcdcde;
    --vd-shadow: 0 2px 4px rgba(0,0,0,0.1);
    --vd-radius: 6px;
    --vd-spacing: 16px;
    --vd-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --vd-text: #ffffff;
        --vd-text-muted: #a7aaad;
        --vd-bg: #1e1e1e;
        --vd-bg-light: #2c3338;
        --vd-border: #3c434a;
    }
}

/* ===== LAYOUT ===== */

.vd-portal-container {
    font-family: var(--vd-font-family);
    color: var(--vd-text);
    background: var(--vd-bg-light);
    min-height: 100vh;
    line-height: 1.5;
}

.vd-portal-header {
    background: var(--vd-bg);
    border-bottom: 1px solid var(--vd-border);
    padding: var(--vd-spacing);
    box-shadow: var(--vd-shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.vd-portal-header__title {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: var(--vd-primary);
}

.vd-portal-header__subtitle {
    margin: 4px 0 0;
    font-size: 14px;
    color: var(--vd-text-muted);
}

.vd-portal-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: var(--vd-spacing);
    padding: var(--vd-spacing);
    max-width: 1200px;
    margin: 0 auto;
}

.vd-column {
    background: var(--vd-bg);
    border: 1px solid var(--vd-border);
    border-radius: var(--vd-radius);
    padding: var(--vd-spacing);
    box-shadow: var(--vd-shadow);
    height: fit-content;
}

.vd-column__title {
    margin: 0 0 var(--vd-spacing);
    font-size: 18px;
    font-weight: 600;
    color: var(--vd-text);
    border-bottom: 1px solid var(--vd-border);
    padding-bottom: 8px;
}

/* ===== LOGIN FORM ===== */

.vd-login-form {
    max-width: 400px;
    margin: 0 auto;
    padding: calc(var(--vd-spacing) * 2);
    background: var(--vd-bg);
    border-radius: var(--vd-radius);
    box-shadow: var(--vd-shadow);
}

.vd-login-form__title {
    text-align: center;
    margin-bottom: calc(var(--vd-spacing) * 1.5);
    font-size: 24px;
    color: var(--vd-primary);
}

.vd-form-group {
    margin-bottom: var(--vd-spacing);
}

.vd-form-group label {
    display: block;
    margin-bottom: 4px;
    font-weight: 500;
    color: var(--vd-text);
}

.vd-form-group input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--vd-border);
    border-radius: var(--vd-radius);
    font-size: 16px;
    background: var(--vd-bg);
    color: var(--vd-text);
    transition: border-color 0.2s ease;
}

.vd-form-group input:focus {
    outline: none;
    border-color: var(--vd-primary);
    box-shadow: 0 0 0 2px rgba(0, 124, 186, 0.1);
}

.vd-btn {
    display: inline-block;
    padding: 12px 24px;
    background: var(--vd-primary);
    color: white;
    border: none;
    border-radius: var(--vd-radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.vd-btn:hover {
    background: #005a87;
    transform: translateY(-1px);
}

.vd-btn--full {
    width: 100%;
}

.vd-error-message {
    background: #fef7f7;
    color: var(--vd-error);
    padding: 12px;
    border-radius: var(--vd-radius);
    border-left: 4px solid var(--vd-error);
    margin-bottom: var(--vd-spacing);
}

/* ===== ACCOUNT INFO ===== */

.field-group {
    margin-bottom: calc(var(--vd-spacing) * 1.5);
}

.field-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--vd-text);
    font-size: 14px;
}

.field-group input,
.field-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--vd-border);
    border-radius: var(--vd-radius);
    background: var(--vd-bg-light);
    color: var(--vd-text);
    font-family: monospace;
    font-size: 13px;
    resize: vertical;
}

.field-group textarea {
    min-height: 80px;
}

.field-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.field-actions .vd-btn {
    padding: 6px 12px;
    font-size: 12px;
    background: var(--vd-text-muted);
}

.field-actions .vd-btn:hover {
    background: var(--vd-text);
}

.vd-totp-current {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
    padding: 12px;
    background: var(--vd-bg-light);
    border-radius: var(--vd-radius);
}

.current-code {
    font-family: monospace;
    font-size: 18px;
    font-weight: bold;
    color: var(--vd-primary);
}

.countdown-timer {
    font-size: 12px;
    color: var(--vd-text-muted);
}

.totp-progress {
    flex: 1;
    height: 4px;
    background: var(--vd-border);
    border-radius: 2px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--vd-success);
    transition: width 1s linear;
}

/* ===== HISTORY TIMELINE ===== */

.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--vd-border);
}

.timeline-item {
    position: relative;
    margin-bottom: 20px;
    padding: 12px;
    background: var(--vd-bg-light);
    border-radius: var(--vd-radius);
    border-left: 3px solid var(--vd-border);
}

.timeline-item.success {
    border-left-color: var(--vd-success);
}

.timeline-item.failed {
    border-left-color: var(--vd-error);
}

.timeline-icon {
    position: absolute;
    left: -28px;
    top: 12px;
    width: 24px;
    height: 24px;
    background: var(--vd-bg);
    border: 2px solid var(--vd-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.event-time {
    font-size: 12px;
    color: var(--vd-text-muted);
    margin-bottom: 4px;
}

.event-details {
    font-size: 14px;
    margin-bottom: 8px;
}

.status-badge {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 500;
    border-radius: 12px;
    color: white;
}

.status-badge.status-success { background: var(--vd-success); }
.status-badge.status-failed { background: var(--vd-error); }
.status-badge.status-pending { background: var(--vd-warning); }

/* ===== DEVICE CARDS ===== */

.device-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    margin-bottom: 12px;
    background: var(--vd-bg-light);
    border: 1px solid var(--vd-border);
    border-radius: var(--vd-radius);
    transition: all 0.2s ease;
}

.device-card:hover {
    box-shadow: var(--vd-shadow);
}

.device-card.current {
    border-color: var(--vd-primary);
    background: rgba(0, 124, 186, 0.05);
}

.device-icon {
    font-size: 24px;
    opacity: 0.7;
}

.device-info {
    flex: 1;
}

.device-info strong {
    display: block;
    font-size: 14px;
    margin-bottom: 2px;
}

.device-info span {
    font-size: 12px;
    color: var(--vd-text-muted);
}

.device-meta {
    text-align: right;
    font-size: 11px;
    color: var(--vd-text-muted);
}

.badge.current {
    background: var(--vd-success);
    color: white;
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 500;
}

.device-limit {
    width: 100%;
    height: 6px;
    background: var(--vd-border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 8px;
}

.limit-progress {
    height: 100%;
    background: var(--vd-success);
    transition: width 0.3s ease;
}

/* ===== UTILITIES ===== */

.vd-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 12px 20px;
    background: #2c3338;
    color: white;
    border-radius: var(--vd-radius);
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 8px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.vd-toast.vd-toast-show {
    transform: translateX(0);
}

.vd-toast-success { background: var(--vd-success); }
.vd-toast-error { background: var(--vd-error); }
.vd-toast-warning { background: var(--vd-warning); }

.vd-loading {
    position: relative;
    opacity: 0.6;
    pointer-events: none;
}

.vd-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    border: 2px solid var(--vd-border);
    border-top-color: var(--vd-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ===== RESPONSIVE ===== */

@media (max-width: 1024px) {
    .vd-portal-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .vd-portal-content {
        grid-template-columns: 1fr;
        padding: 8px;
        gap: 8px;
    }

    .vd-column {
        padding: 12px;
    }

    .vd-portal-header {
        padding: 12px;
    }

    .vd-portal-header__title {
        font-size: 20px;
    }

    .timeline {
        padding-left: 20px;
    }

    .timeline::before {
        left: 8px;
    }

    .timeline-icon {
        left: -4px;
        width: 16px;
        height: 16px;
        font-size: 10px;
    }

    .vd-toast {
        bottom: 10px;
        right: 10px;
        left: 10px;
        width: auto;
    }
}