/**
 * GPT Merchant Feed Admin Styles
 * Modern SaaS-style UI
 *
 * @package GPTMerchantFeed
 * @since   3.0.1
 */

/* Variables */
:root {
    --gptmf-primary: #0066FF;
    --gptmf-primary-dark: #0052CC;
    --gptmf-success: #10B981;
    --gptmf-warning: #F59E0B;
    --gptmf-error: #EF4444;
    --gptmf-bg: #F3F4F6;
    --gptmf-card-bg: #FFFFFF;
    --gptmf-border: #E5E7EB;
    --gptmf-text: #1F2937;
    --gptmf-text-secondary: #6B7280;
    --gptmf-radius: 12px;
    --gptmf-shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --gptmf-shadow-hover: 0 4px 12px rgba(0,0,0,0.15);
}

/* Container */
.gptmf-wrap {
    max-width: 900px;
    margin: 20px auto;
    padding: 0 20px;
}

/* Header */
.gptmf-header {
    background: linear-gradient(135deg, var(--gptmf-primary), var(--gptmf-primary-dark));
    border-radius: var(--gptmf-radius);
    padding: 24px 28px;
    margin-bottom: 24px;
    color: white;
}

.gptmf-header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.gptmf-header-title {
    display: flex;
    align-items: center;
    gap: 16px;
}

.gptmf-logo {
    font-size: 40px;
    line-height: 1;
}

.gptmf-header-text h1 {
    margin: 0;
    font-size: 24px;
    font-weight: 700;
    color: white;
    line-height: 1.2;
}

.gptmf-tagline {
    margin: 4px 0 0 0;
    font-size: 14px;
    opacity: 0.9;
}

.gptmf-header-badges {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* Badges */
.gptmf-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.gptmf-badge-version {
    background: rgba(255,255,255,0.2);
    color: white;
}

.gptmf-badge-status {
    background: white;
    color: var(--gptmf-text);
}

.gptmf-badge-status.active {
    color: var(--gptmf-success);
}

.gptmf-badge-status.empty {
    color: var(--gptmf-warning);
}

.gptmf-status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
}

.gptmf-badge-valid {
    background: rgba(16, 185, 129, 0.1);
    color: var(--gptmf-success);
}

.gptmf-badge-valid .dashicons {
    font-size: 14px;
    width: 14px;
    height: 14px;
}

/* Container */
.gptmf-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Stats Grid */
.gptmf-stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.gptmf-stat-card {
    background: var(--gptmf-card-bg);
    border-radius: var(--gptmf-radius);
    box-shadow: var(--gptmf-shadow);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.gptmf-stat-card:hover {
    box-shadow: var(--gptmf-shadow-hover);
    transform: translateY(-2px);
}

.gptmf-stat-icon {
    font-size: 28px;
    line-height: 1;
}

.gptmf-stat-content {
    display: flex;
    flex-direction: column;
}

.gptmf-stat-number {
    font-size: 28px;
    font-weight: 700;
    color: var(--gptmf-primary);
    line-height: 1;
}

.gptmf-stat-number.gptmf-stat-text {
    font-size: 18px;
}

.gptmf-stat-label {
    font-size: 13px;
    color: var(--gptmf-text-secondary);
    margin-top: 4px;
}

/* Cards */
.gptmf-card {
    background: var(--gptmf-card-bg);
    border-radius: var(--gptmf-radius);
    box-shadow: var(--gptmf-shadow);
    padding: 24px;
    transition: box-shadow 0.2s ease;
}

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

.gptmf-card-primary {
    border-left: 4px solid var(--gptmf-primary);
}

.gptmf-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.gptmf-card h2 {
    margin: 0 0 16px 0;
    font-size: 18px;
    font-weight: 600;
    color: var(--gptmf-text);
    display: flex;
    align-items: center;
    gap: 10px;
}

.gptmf-card-header h2 {
    margin-bottom: 0;
}

.gptmf-card-icon {
    font-size: 20px;
}

.gptmf-card h3 {
    margin: 20px 0 12px 0;
    font-size: 15px;
    font-weight: 600;
    color: var(--gptmf-text);
}

/* Description */
.gptmf-description {
    color: var(--gptmf-text-secondary);
    margin: 0 0 20px 0;
    font-size: 14px;
}

/* URL Box */
.gptmf-url-box {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.gptmf-url-input-wrapper {
    display: flex;
    align-items: center;
    background: var(--gptmf-bg);
    border: 2px solid var(--gptmf-border);
    border-radius: 8px;
    padding: 4px;
    transition: border-color 0.2s ease;
}

.gptmf-url-input-wrapper:focus-within {
    border-color: var(--gptmf-primary);
}

.gptmf-url-icon {
    padding: 8px 12px;
    font-size: 18px;
}

.gptmf-feed-url-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 12px 12px 12px 0;
    font-family: 'SF Mono', Monaco, 'Courier New', monospace;
    font-size: 14px;
    color: var(--gptmf-text);
    outline: none;
}

.gptmf-url-actions {
    display: flex;
    gap: 12px;
}

/* Buttons */
.gptmf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
}

.gptmf-btn-primary {
    background: linear-gradient(135deg, var(--gptmf-primary), var(--gptmf-primary-dark));
    color: white;
}

.gptmf-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.4);
    color: white;
}

.gptmf-btn-secondary {
    background: var(--gptmf-bg);
    color: var(--gptmf-text);
    border: 2px solid var(--gptmf-border);
}

.gptmf-btn-secondary:hover {
    background: var(--gptmf-border);
    color: var(--gptmf-text);
}

.gptmf-btn-outline {
    background: transparent;
    color: var(--gptmf-text);
    border: 2px solid var(--gptmf-border);
}

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

.gptmf-btn-icon {
    font-size: 16px;
}

.gptmf-btn-success {
    display: none;
}

.gptmf-btn.copied .gptmf-btn-text,
.gptmf-btn.copied .gptmf-btn-icon {
    display: none;
}

.gptmf-btn.copied .gptmf-btn-success {
    display: inline;
}

.gptmf-btn.copied {
    background: var(--gptmf-success);
}

/* Stepper */
.gptmf-stepper {
    display: flex;
    align-items: flex-start;
    gap: 0;
    margin: 20px 0;
    padding: 10px 0;
}

.gptmf-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
    position: relative;
}

.gptmf-step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gptmf-bg);
    border: 3px solid var(--gptmf-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 16px;
    color: var(--gptmf-text-secondary);
    margin-bottom: 12px;
    transition: all 0.2s ease;
}

.gptmf-step-complete .gptmf-step-number {
    background: var(--gptmf-success);
    border-color: var(--gptmf-success);
    color: white;
}

.gptmf-step-current .gptmf-step-number {
    background: var(--gptmf-primary);
    border-color: var(--gptmf-primary);
    color: white;
}

.gptmf-step-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.gptmf-step-title {
    font-weight: 600;
    font-size: 13px;
    color: var(--gptmf-text);
}

.gptmf-step-desc {
    font-size: 12px;
    color: var(--gptmf-text-secondary);
}

.gptmf-step-link {
    font-size: 12px;
    color: var(--gptmf-primary);
    text-decoration: none;
    font-weight: 500;
}

.gptmf-step-link:hover {
    text-decoration: underline;
}

.gptmf-step-connector {
    flex: 0.5;
    height: 3px;
    background: var(--gptmf-border);
    margin-top: 20px;
}

.gptmf-step-complete + .gptmf-step-connector {
    background: var(--gptmf-success);
}

/* Features Grid */
.gptmf-features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.gptmf-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--gptmf-bg);
    border-radius: 8px;
    font-size: 14px;
    color: var(--gptmf-text);
}

.gptmf-feature-check {
    font-size: 16px;
}

/* Help Card */
.gptmf-card-help {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    background: linear-gradient(135deg, #F0F9FF, #E0F2FE);
    border: 1px solid #BAE6FD;
}

.gptmf-help-content {
    display: flex;
    align-items: center;
    gap: 16px;
}

.gptmf-help-icon {
    font-size: 32px;
}

.gptmf-help-text h3 {
    margin: 0 0 4px 0;
    font-size: 16px;
    color: var(--gptmf-text);
}

.gptmf-help-text p {
    margin: 0;
    font-size: 14px;
    color: var(--gptmf-text-secondary);
}

.gptmf-help-actions {
    display: flex;
    gap: 12px;
}

/* Responsive */
@media screen and (max-width: 782px) {
    .gptmf-header-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .gptmf-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .gptmf-stepper {
        flex-direction: column;
        align-items: stretch;
    }

    .gptmf-step {
        flex-direction: row;
        text-align: left;
        gap: 16px;
    }

    .gptmf-step-number {
        margin-bottom: 0;
    }

    .gptmf-step-connector {
        width: 3px;
        height: 20px;
        margin: 0 0 0 19px;
    }

    .gptmf-features-grid {
        grid-template-columns: 1fr;
    }

    .gptmf-url-actions {
        flex-direction: column;
    }

    .gptmf-card-help {
        flex-direction: column;
        align-items: flex-start;
    }

    .gptmf-help-actions {
        width: 100%;
    }

    .gptmf-help-actions .gptmf-btn {
        flex: 1;
    }
}

@media screen and (max-width: 480px) {
    .gptmf-stats-grid {
        grid-template-columns: 1fr;
    }

    .gptmf-header-title {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .gptmf-logo {
        font-size: 32px;
    }
}

/* Auto-Sync Success Card */
.gptmf-card-success {
    background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
    border: 1px solid #6EE7B7;
}

.gptmf-auto-sync {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.gptmf-auto-sync-icon {
    font-size: 32px;
    line-height: 1;
}

.gptmf-auto-sync-content h3 {
    margin: 0 0 8px 0;
    font-size: 16px;
    font-weight: 600;
    color: #065F46;
}

.gptmf-auto-sync-content p {
    margin: 0;
    font-size: 14px;
    color: #047857;
    line-height: 1.5;
}

/* Stat Card Highlight (green) */
.gptmf-stat-card-highlight {
    background: linear-gradient(135deg, #ECFDF5, #D1FAE5);
    border: 1px solid #6EE7B7;
    cursor: help;
}

.gptmf-stat-card-highlight .gptmf-stat-number {
    color: #059669;
}

/* Responsive for auto-sync banner */
@media screen and (max-width: 480px) {
    .gptmf-auto-sync {
        flex-direction: column;
        text-align: center;
    }

    .gptmf-auto-sync-icon {
        align-self: center;
    }
}