/**
 * Check Google Rank - Frontend Styles
 * Modern, clean design with gradient accents
 */

/* ===== CSS Variables ===== */
:root {
    --cgr-primary: #4F46E5;
    --cgr-primary-light: #818CF8;
    --cgr-primary-dark: #3730A3;
    --cgr-secondary: #06B6D4;
    --cgr-success: #10B981;
    --cgr-warning: #F59E0B;
    --cgr-danger: #EF4444;
    --cgr-info: #3B82F6;

    --cgr-gradient: linear-gradient(135deg, #4F46E5 0%, #06B6D4 100%);
    --cgr-gradient-hover: linear-gradient(135deg, #3730A3 0%, #0891B2 100%);

    --cgr-bg: #FFFFFF;
    --cgr-bg-secondary: #F8FAFC;
    --cgr-bg-tertiary: #F1F5F9;
    --cgr-border: #E2E8F0;
    --cgr-border-focus: #4F46E5;

    --cgr-text: #1E293B;
    --cgr-text-secondary: #64748B;
    --cgr-text-muted: #94A3B8;

    --cgr-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --cgr-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --cgr-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --cgr-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);

    --cgr-radius-sm: 8px;
    --cgr-radius: 12px;
    --cgr-radius-lg: 16px;
    --cgr-radius-xl: 24px;

    --cgr-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Dark Theme Variables ===== */
.cgr-dark {
    --cgr-bg: #0F172A;
    --cgr-bg-secondary: #1E293B;
    --cgr-bg-tertiary: #334155;
    --cgr-border: #334155;
    --cgr-text: #F1F5F9;
    --cgr-text-secondary: #94A3B8;
    --cgr-text-muted: #64748B;
    --cgr-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --cgr-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --cgr-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
}

/* ===== Wrapper ===== */
.cgr-wrapper {
    max-width: 720px;
    margin: 2rem auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans Thai', sans-serif;
    color: var(--cgr-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.cgr-wrapper *,
.cgr-wrapper *::before,
.cgr-wrapper *::after {
    box-sizing: border-box;
}

/* ===== Header ===== */
.cgr-header {
    text-align: center;
    padding: 2.5rem 2rem 2rem;
    background: var(--cgr-gradient);
    border-radius: var(--cgr-radius-lg) var(--cgr-radius-lg) 0 0;
    position: relative;
    overflow: hidden;
}

.cgr-header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: cgr-pulse 4s ease-in-out infinite;
}

@keyframes cgr-pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.cgr-header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin-bottom: 1rem;
    color: #FFFFFF;
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
}

.cgr-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: #FFFFFF;
    margin: 0 0 0.5rem;
    position: relative;
    z-index: 1;
    letter-spacing: -0.025em;
}

.cgr-subtitle {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    position: relative;
    z-index: 1;
}

/* ===== Form ===== */
.cgr-form {
    background: var(--cgr-bg);
    padding: 2rem;
    border: 1px solid var(--cgr-border);
    border-top: none;
    border-radius: 0 0 var(--cgr-radius-lg) var(--cgr-radius-lg);
    box-shadow: var(--cgr-shadow-lg);
}

.cgr-form-section {
    margin-bottom: 1.5rem;
}

.cgr-form-section:last-child {
    margin-bottom: 0;
}

/* ===== Labels ===== */
.cgr-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--cgr-text);
    margin-bottom: 0.5rem;
}

.cgr-label svg {
    color: var(--cgr-primary);
    flex-shrink: 0;
}

/* ===== Select ===== */
.cgr-select-wrapper {
    position: relative;
}

.cgr-select {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    font-size: 0.95rem;
    color: var(--cgr-text);
    background: var(--cgr-bg-secondary);
    border: 2px solid var(--cgr-border);
    border-radius: var(--cgr-radius-sm);
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: var(--cgr-transition);
    font-family: inherit;
}

.cgr-select:focus {
    outline: none;
    border-color: var(--cgr-border-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.cgr-select:hover {
    border-color: var(--cgr-primary-light);
}

.cgr-select-arrow {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--cgr-text-muted);
}

/* ===== Device Toggle ===== */
.cgr-device-toggle {
    display: flex;
    gap: 0;
    background: var(--cgr-bg-secondary);
    border: 2px solid var(--cgr-border);
    border-radius: var(--cgr-radius-sm);
    padding: 4px;
    overflow: hidden;
}

.cgr-device-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--cgr-text-secondary);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--cgr-transition);
    font-family: inherit;
}

.cgr-device-btn:hover {
    color: var(--cgr-primary);
    background: rgba(79, 70, 229, 0.05);
}

.cgr-device-btn.active {
    color: #FFFFFF;
    background: var(--cgr-gradient);
    box-shadow: var(--cgr-shadow-sm);
}

.cgr-device-btn.active svg {
    color: #FFFFFF;
}

/* ===== Input ===== */
.cgr-input-wrapper {
    display: flex;
    align-items: stretch;
    border: 2px solid var(--cgr-border);
    border-radius: var(--cgr-radius-sm);
    overflow: hidden;
    transition: var(--cgr-transition);
    background: var(--cgr-bg-secondary);
}

.cgr-input-wrapper:focus-within {
    border-color: var(--cgr-border-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

.cgr-input-wrapper:hover {
    border-color: var(--cgr-primary-light);
}

.cgr-input-prefix {
    display: flex;
    align-items: center;
    padding: 0 0.75rem;
    font-size: 0.85rem;
    color: var(--cgr-text-muted);
    background: var(--cgr-bg-tertiary);
    border-right: 1px solid var(--cgr-border);
    white-space: nowrap;
    font-family: 'SF Mono', 'Fira Code', monospace;
}

.cgr-input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    color: var(--cgr-text);
    background: transparent;
    border: none;
    outline: none;
    font-family: inherit;
}

.cgr-input::placeholder {
    color: var(--cgr-text-muted);
}

.cgr-input-with-prefix {
    border: none;
}

.cgr-hint {
    font-size: 0.8rem;
    color: var(--cgr-text-muted);
    margin: 0.35rem 0 0;
    padding-left: 0.25rem;
}

/* ===== Keywords ===== */
.cgr-keywords-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.cgr-keyword-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: cgr-slideIn 0.3s ease;
}

@keyframes cgr-slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cgr-keyword-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--cgr-primary);
    background: rgba(79, 70, 229, 0.1);
    border-radius: 50%;
}

.cgr-keyword-row .cgr-input {
    flex: 1;
    padding: 0.65rem 1rem;
    border: 2px solid var(--cgr-border);
    border-radius: var(--cgr-radius-sm);
    background: var(--cgr-bg-secondary);
    transition: var(--cgr-transition);
}

.cgr-keyword-row .cgr-input:focus {
    border-color: var(--cgr-border-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
    outline: none;
}

.cgr-keyword-row .cgr-input:hover {
    border-color: var(--cgr-primary-light);
}

.cgr-remove-keyword {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    min-width: 32px;
    padding: 0;
    color: var(--cgr-text-muted);
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--cgr-transition);
}

.cgr-remove-keyword:hover {
    color: var(--cgr-danger);
    background: rgba(239, 68, 68, 0.1);
}

.cgr-add-keyword-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--cgr-primary);
    background: transparent;
    border: 2px dashed var(--cgr-border);
    border-radius: var(--cgr-radius-sm);
    cursor: pointer;
    transition: var(--cgr-transition);
    margin-top: 0.5rem;
    font-family: inherit;
}

.cgr-add-keyword-btn:hover {
    border-color: var(--cgr-primary);
    background: rgba(79, 70, 229, 0.05);
}

/* ===== Submit Button ===== */
.cgr-submit-section {
    margin-top: 2rem;
}

.cgr-submit-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.05rem;
    font-weight: 600;
    color: #FFFFFF;
    background: var(--cgr-gradient);
    border: none;
    border-radius: var(--cgr-radius-sm);
    cursor: pointer;
    transition: var(--cgr-transition);
    box-shadow: 0 4px 14px 0 rgba(79, 70, 229, 0.35);
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.cgr-submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.cgr-submit-btn:hover::before {
    left: 100%;
}

.cgr-submit-btn:hover {
    background: var(--cgr-gradient-hover);
    box-shadow: 0 6px 20px 0 rgba(79, 70, 229, 0.45);
    transform: translateY(-1px);
}

.cgr-submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px 0 rgba(79, 70, 229, 0.35);
}

.cgr-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.cgr-submit-btn:disabled::before {
    display: none;
}

/* ===== Spinner ===== */
.cgr-spinner {
    display: flex;
    align-items: center;
    gap: 4px;
}

.cgr-spinner-dot {
    width: 8px;
    height: 8px;
    background: #FFFFFF;
    border-radius: 50%;
    animation: cgr-bounce 1.4s ease-in-out infinite both;
}

.cgr-spinner-dot:nth-child(1) { animation-delay: -0.32s; }
.cgr-spinner-dot:nth-child(2) { animation-delay: -0.16s; }
.cgr-spinner-dot:nth-child(3) { animation-delay: 0; }

@keyframes cgr-bounce {
    0%, 80%, 100% {
        transform: scale(0);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===== Results ===== */
.cgr-results {
    margin-top: 1.5rem;
    background: var(--cgr-bg);
    border: 1px solid var(--cgr-border);
    border-radius: var(--cgr-radius-lg);
    box-shadow: var(--cgr-shadow-lg);
    overflow: hidden;
    animation: cgr-fadeIn 0.5s ease;
}

@keyframes cgr-fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.cgr-results-header {
    padding: 1.5rem 2rem;
    background: var(--cgr-bg-secondary);
    border-bottom: 1px solid var(--cgr-border);
}

.cgr-results-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--cgr-text);
    margin: 0 0 0.75rem;
}

.cgr-results-title svg {
    color: var(--cgr-primary);
}

.cgr-results-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.cgr-meta-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--cgr-primary);
    background: rgba(79, 70, 229, 0.1);
    border-radius: 100px;
}

.cgr-results-body {
    padding: 1rem;
}

/* ===== Result Card ===== */
.cgr-result-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    margin-bottom: 0.75rem;
    background: var(--cgr-bg-secondary);
    border: 1px solid var(--cgr-border);
    border-radius: var(--cgr-radius);
    transition: var(--cgr-transition);
    animation: cgr-slideUp 0.4s ease;
    animation-fill-mode: both;
}

.cgr-result-card:hover {
    box-shadow: var(--cgr-shadow);
    border-color: var(--cgr-primary-light);
}

@keyframes cgr-slideUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.cgr-result-card:nth-child(1) { animation-delay: 0.1s; }
.cgr-result-card:nth-child(2) { animation-delay: 0.2s; }
.cgr-result-card:nth-child(3) { animation-delay: 0.3s; }
.cgr-result-card:nth-child(4) { animation-delay: 0.4s; }
.cgr-result-card:nth-child(5) { animation-delay: 0.5s; }

.cgr-result-card:last-child {
    margin-bottom: 0;
}

.cgr-rank-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    min-width: 56px;
    font-size: 1.5rem;
    font-weight: 800;
    border-radius: var(--cgr-radius);
    color: #FFFFFF;
    position: relative;
}

.cgr-rank-badge.cgr-rank-top3 {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.cgr-rank-badge.cgr-rank-top10 {
    background: linear-gradient(135deg, #3B82F6 0%, #2563EB 100%);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.cgr-rank-badge.cgr-rank-top20 {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.cgr-rank-badge.cgr-rank-top50 {
    background: linear-gradient(135deg, #F97316 0%, #EA580C 100%);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.cgr-rank-badge.cgr-rank-low {
    background: linear-gradient(135deg, #94A3B8 0%, #64748B 100%);
    box-shadow: 0 4px 12px rgba(148, 163, 184, 0.3);
}

.cgr-rank-badge.cgr-rank-notfound {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
    font-size: 1.25rem;
}

.cgr-result-info {
    flex: 1;
    min-width: 0;
}

.cgr-result-keyword {
    font-size: 1rem;
    font-weight: 600;
    color: var(--cgr-text);
    margin: 0 0 0.25rem;
    word-break: break-word;
}

.cgr-result-url {
    font-size: 0.8rem;
    color: var(--cgr-text-secondary);
    margin: 0;
    word-break: break-all;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cgr-result-url a {
    color: var(--cgr-primary);
    text-decoration: none;
}

.cgr-result-url a:hover {
    text-decoration: underline;
}

.cgr-result-status {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    white-space: nowrap;
}

.cgr-status-found {
    color: #059669;
    background: rgba(16, 185, 129, 0.1);
}

.cgr-status-notfound {
    color: #DC2626;
    background: rgba(239, 68, 68, 0.1);
}

/* ===== Top Results Expandable ===== */
.cgr-top-results-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--cgr-primary);
    background: none;
    border: none;
    cursor: pointer;
    margin-top: 0.5rem;
    font-family: inherit;
    transition: var(--cgr-transition);
}

.cgr-top-results-toggle:hover {
    color: var(--cgr-primary-dark);
}

.cgr-top-results-toggle svg {
    transition: transform 0.3s ease;
}

.cgr-top-results-toggle.expanded svg {
    transform: rotate(180deg);
}

.cgr-top-results {
    display: none;
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: var(--cgr-bg);
    border: 1px solid var(--cgr-border);
    border-radius: var(--cgr-radius-sm);
}

.cgr-top-results.visible {
    display: block;
    animation: cgr-fadeIn 0.3s ease;
}

.cgr-top-result-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--cgr-border);
    font-size: 0.8rem;
}

.cgr-top-result-item:last-child {
    border-bottom: none;
}

.cgr-top-result-rank {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    min-width: 24px;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--cgr-text-secondary);
    background: var(--cgr-bg-tertiary);
    border-radius: 50%;
}

.cgr-top-result-item.cgr-highlight .cgr-top-result-rank {
    color: #FFFFFF;
    background: var(--cgr-primary);
}

.cgr-top-result-url {
    flex: 1;
    color: var(--cgr-text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.cgr-top-result-item.cgr-highlight .cgr-top-result-url {
    color: var(--cgr-primary);
    font-weight: 600;
}

/* ===== Error ===== */
.cgr-error {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: rgba(239, 68, 68, 0.05);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--cgr-radius);
    text-align: center;
    animation: cgr-fadeIn 0.3s ease;
}

.cgr-error-icon {
    color: var(--cgr-danger);
    margin-bottom: 0.5rem;
}

.cgr-error-text {
    font-size: 0.95rem;
    color: var(--cgr-danger);
    margin: 0;
}

/* ===== Loading Overlay ===== */
.cgr-loading-overlay {
    position: relative;
}

.cgr-loading-overlay::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(2px);
    border-radius: var(--cgr-radius-lg);
    z-index: 10;
}

/* ===== Progress Bar ===== */
.cgr-progress-bar {
    width: 100%;
    height: 4px;
    background: var(--cgr-bg-tertiary);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 1rem;
}

.cgr-progress-fill {
    height: 100%;
    background: var(--cgr-gradient);
    border-radius: 2px;
    transition: width 0.5s ease;
    animation: cgr-progressPulse 2s ease-in-out infinite;
}

@keyframes cgr-progressPulse {
    0% { opacity: 0.7; }
    50% { opacity: 1; }
    100% { opacity: 0.7; }
}

.cgr-progress-text {
    font-size: 0.8rem;
    color: var(--cgr-text-secondary);
    text-align: center;
    margin-top: 0.5rem;
}

/* ===== Responsive ===== */
@media (max-width: 640px) {
    .cgr-wrapper {
        margin: 1rem;
    }

    .cgr-header {
        padding: 1.5rem 1.25rem;
    }

    .cgr-title {
        font-size: 1.35rem;
    }

    .cgr-form {
        padding: 1.25rem;
    }

    .cgr-result-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
        padding: 1rem;
    }

    .cgr-rank-badge {
        width: 48px;
        height: 48px;
        min-width: 48px;
        font-size: 1.25rem;
    }

    .cgr-results-header {
        padding: 1rem 1.25rem;
    }

    .cgr-device-toggle {
        flex-direction: column;
    }
}

/* ===== Print ===== */
@media print {
    .cgr-form {
        display: none;
    }

    .cgr-results {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}