/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background:
        linear-gradient(135deg, rgba(26, 26, 46, 0.92) 0%, rgba(22, 33, 62, 0.92) 100%),
        url('bg-image.png');
    background-size: cover, cover;
    background-position: center, center;
    background-attachment: fixed, fixed;
    min-height: 100vh;
    color: #e0e0e0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header */
header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, #00d2ff, #3a7bd5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: #888;
    margin-top: 0.5rem;
}

/* Mode Toggle */
.mode-toggle {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.mode-btn {
    padding: 0.75rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #888;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
}

.mode-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.mode-btn.active {
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    color: #fff;
    border-color: transparent;
}

/* Mode Panels */
.mode-panel {
    display: none;
}

.mode-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* Search Input */
.query-input {
    width: 100%;
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.2rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: #fff;
    outline: none;
    transition: border-color 0.2s;
}

.query-input:focus {
    border-color: #3a7bd5;
}

.query-input::placeholder {
    color: #666;
}

.search-btn {
    width: 100%;
    padding: 1.1rem 2rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(58, 123, 213, 0.4);
}

.search-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Search Options */
.search-options {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    color: #888;
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.filter-group select {
    padding: 0.5rem;
    background: #2a2a3e;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: #fff;
    outline: none;
}

.filter-group select option {
    background: #2a2a3e;
    color: #fff;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
    color: #ccc;
    font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
    accent-color: #3a7bd5;
    cursor: pointer;
}

/* Status Messages */
.status {
    text-align: center;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    display: none;
}

.status.loading {
    display: block;
    background: rgba(58, 123, 213, 0.1);
    color: #3a7bd5;
}

.status.error {
    display: block;
    background: rgba(255, 82, 82, 0.1);
    color: #ff5252;
}

.status.success {
    display: block;
    background: rgba(76, 175, 80, 0.1);
    color: #4caf50;
}

/* Search Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.result-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 1.5rem;
    transition: transform 0.2s, border-color 0.2s;
}

.result-card:hover {
    transform: translateY(-4px);
    border-color: rgba(58, 123, 213, 0.3);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.result-name {
    font-weight: 600;
    color: #fff;
    word-break: break-word;
    flex: 1;
}

.result-score {
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    color: #fff;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 1rem;
    white-space: nowrap;
}

.result-timestamps {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

/* Verification badges */
.verify-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    margin-left: 0.5rem;
    vertical-align: middle;
}

.verify-badge.match {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.4);
}

.verify-badge.no-match {
    background: rgba(255, 82, 82, 0.2);
    color: #ff5252;
    border: 1px solid rgba(255, 82, 82, 0.4);
}

.verify-reason {
    color: #999;
    font-size: 0.8rem;
    font-style: italic;
    margin-bottom: 0.5rem;
    padding: 0.4rem 0.6rem;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 4px;
    border-left: 2px solid rgba(255, 255, 255, 0.1);
}

.result-rejected {
    opacity: 0.5;
}

.result-rejected:hover {
    opacity: 0.8;
}

.result-link {
    display: inline-block;
    color: #3a7bd5;
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}

.result-link:hover {
    color: #00d2ff;
}

/* Result Actions Row */
.result-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Analyze Button & Section */
.analyze-btn {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: #888;
    font-size: 0.8rem;
    padding: 0.3rem 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.analyze-btn:hover {
    color: #00d2ff;
    border-color: #00d2ff;
}

.analyze-section {
    margin-top: 0.75rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding-top: 0.75rem;
}

.analyze-input-row {
    display: flex;
    gap: 0.5rem;
}

.analyze-input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    font-size: 0.85rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: #fff;
    outline: none;
}

.analyze-input:focus {
    border-color: #3a7bd5;
}

.analyze-submit {
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    border: none;
    border-radius: 6px;
    color: #fff;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.analyze-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.analyze-result {
    display: none;
    margin-top: 0.5rem;
    padding: 0.75rem;
    border-radius: 6px;
    font-size: 0.85rem;
    line-height: 1.5;
    white-space: pre-wrap;
}

.analyze-result.loading {
    display: block;
    background: rgba(58, 123, 213, 0.1);
    color: #3a7bd5;
}

.analyze-result.visible {
    display: block;
    background: rgba(255, 255, 255, 0.04);
    color: #ccc;
}

.analyze-result.error {
    display: block;
    background: rgba(255, 82, 82, 0.1);
    color: #ff5252;
}

/* Script Processing Mode */
.script-options {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    align-items: stretch;
}

.option-card {
    flex: 1;
    background: rgba(255, 255, 255, 0.03);
    border: 2px dashed rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: border-color 0.2s, background 0.2s;
}

.option-card:hover {
    border-color: rgba(58, 123, 213, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.option-card.active {
    border-color: #3a7bd5;
    border-style: solid;
    background: rgba(58, 123, 213, 0.1);
}

.option-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.option-card h3 {
    color: #fff;
    margin-bottom: 0.5rem;
}

.option-card p {
    color: #888;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.option-btn {
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    transition: background 0.2s;
}

.option-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.file-name {
    display: block;
    margin-top: 0.5rem;
    color: #4caf50;
    font-size: 0.9rem;
}

.option-divider {
    display: flex;
    align-items: center;
    color: #666;
    font-weight: 600;
}

#gdoc-input {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #fff;
    outline: none;
    font-size: 0.9rem;
}

#gdoc-input:focus {
    border-color: #3a7bd5;
}

/* Script Settings */
.script-settings {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.setting-group {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.setting-group label {
    color: #888;
}

.setting-group input,
.setting-group select {
    padding: 0.5rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: #fff;
    outline: none;
}

#sheet-title {
    width: 250px;
}

#editor-email {
    min-width: 250px;
}

/* Process Button */
.process-btn {
    display: block;
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
}

.process-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(58, 123, 213, 0.4);
}

.process-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Process Result */
.process-result {
    margin-top: 1.5rem;
    text-align: center;
    display: none;
}

.process-result.visible {
    display: block;
}

.sheet-link {
    display: inline-block;
    padding: 1rem 2rem;
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 12px;
    color: #4caf50;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s;
}

.sheet-link:hover {
    background: rgba(76, 175, 80, 0.2);
}

.process-stats {
    margin-top: 1rem;
    color: #888;
}

/* Footer */
footer {
    margin-top: 3rem;
    text-align: center;
    color: #666;
    font-size: 0.9rem;
}

.usage-stats {
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: #888;
}

.usage-stats .usage-cost {
    color: #4caf50;
}

.usage-stats .usage-warning {
    color: #ff9800;
}

.usage-stats .usage-limit {
    color: #ff5252;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.8rem;
    }

    .script-options {
        flex-direction: column;
    }

    .option-divider {
        padding: 1rem 0;
    }

    .results-grid {
        grid-template-columns: 1fr;
    }

    .script-settings {
        flex-direction: column;
        gap: 1rem;
    }

    #sheet-title {
        width: 100%;
    }
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s linear infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ============================================================================
   Login Page Styles
   ============================================================================ */

.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 3rem;
    width: 100%;
    max-width: 400px;
}

.login-card header {
    margin-bottom: 2rem;
}

.login-card header h1 {
    font-size: 2rem;
}

.login-card .form-group {
    margin-bottom: 1.5rem;
}

.login-card .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #888;
    font-size: 0.9rem;
}

.login-card .form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: #fff;
    outline: none;
    transition: border-color 0.2s;
}

.login-card .form-group input:focus {
    border-color: #3a7bd5;
}

.login-card .form-group input::placeholder {
    color: #666;
}

.login-error {
    color: #ff5252;
    font-size: 0.9rem;
    text-align: center;
    margin-bottom: 1rem;
    padding: 0.75rem;
    background: rgba(255, 82, 82, 0.1);
    border-radius: 6px;
    display: none;
}

.login-error.visible {
    display: block;
}

.login-btn {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #00d2ff 0%, #3a7bd5 100%);
    border: none;
    border-radius: 10px;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

.login-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(58, 123, 213, 0.4);
}

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

/* ============================================================================
   Header with User Info
   ============================================================================ */

.header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.username-display {
    color: #888;
    font-size: 0.9rem;
}

.logout-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 6px;
    color: #888;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s;
}

.logout-btn:hover {
    background: rgba(255, 82, 82, 0.1);
    border-color: #ff5252;
    color: #ff5252;
}