:root {
    --bg-gradient-start: #2d3748;
    --bg-gradient-end: #1a202c;
    --text-primary: #e2e8f0;
    --text-secondary: #cbd5e0;
    --text-muted: #a0aec0;
    --text-light: #718096;
    --bg-primary: #2d3748;
    --bg-secondary: #4a5568;
    --bg-tertiary: #2a4365;
    --border-color: #4a5568;
    --border-light: #718096;
    --accent-color: #4299e1;
    --success-color: #38a169;
    --success-hover: #2f855a;
    --danger-color: #e53e3e;
    --danger-hover: #c53030;
    --shadow-light: rgba(0,0,0,0.3);
    --shadow-medium: rgba(0,0,0,0.5);
    --overlay-bg: rgba(0, 0, 0, 0.7);
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-gradient-start);
    min-height: 100vh;
    transition: all 0.3s ease;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Breadcrumb navigation */
.breadcrumb {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
    padding: 12px 0;
    font-size: 0.9rem;
}

.breadcrumb-link {
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: color 0.2s ease;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.breadcrumb-link:hover {
    color: rgba(255,255,255,0.8);
    text-decoration: underline;
}

.breadcrumb-separator {
    margin: 0 8px;
    color: rgba(255,255,255,0.7);
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

.breadcrumb-current {
    color: rgba(255,255,255,0.9);
    font-weight: 500;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
}

header {
    text-align: left;
    margin-bottom: 20px;
    color: white;
}

header h1 {
    font-size: 2.2rem;
    margin-bottom: 6px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

header p {
    font-size: 1rem;
    opacity: 0.9;
}

.content-wrapper {
    padding: 0 28px;
}

main {
    flex: 1;
}

.timezones-section {
    margin-bottom: 20px;
}

.timezone-search {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
    gap: 15px;
}

.header-controls {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.icon-btn {
    padding: 8px 12px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border: 2px solid var(--border-color);
    border-radius: 3px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 36px;
}

.icon-btn:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
    transform: translateY(-1px);
}

.icon-btn.active {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.reset-btn {
    padding: 8px 16px;
    background: var(--danger-color);
    color: white;
    border: 2px solid var(--danger-color);
    border-radius: 3px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reset-btn:hover {
    background: var(--danger-hover);
    transform: translateY(-1px);
}

.reset-btn:active {
    transform: translateY(0);
}

.time-input-group,
.timezone-group {
    display: flex;
    flex-direction: column;
}

label {
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-secondary);
}

.input-field,
.timezone-select {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.input-field:focus,
.timezone-select:focus {
    outline: none;
    border-color: var(--accent-color);
}

.timezone-select {
    cursor: pointer;
}

.search-container {
    position: relative;
    flex: 1;
}

.search-inputs {
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.search-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.date-input {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-width: 140px;
}

.search-input:focus,
.date-input:focus,
.datetime-text-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.datetime-input-container {
    display: flex;
    gap: 6px;
    margin-top: 8px;
    align-items: stretch;
}

.datetime-text-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.parse-btn {
    padding: 12px 20px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.parse-btn:hover {
    background: var(--success-color);
    transform: translateY(-2px);
}

.parse-btn:active {
    transform: translateY(0);
}

.timezone-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 5px 5px;
    max-height: 200px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}

.suggestion-item {
    padding: 10px 16px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.2s ease;
    color: var(--text-secondary);
}

.suggestion-item:hover,
.suggestion-item.selected {
    background-color: var(--bg-secondary);
}

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


/* Time Slider Styles */
.time-slider-container {
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 5px;
    padding: 12px;
    margin-bottom: 15px;
}

.time-slider {
    width: 100%;
    height: 6px;
    border-radius: 2px;
    background: var(--bg-primary);
    outline: none;
    transition: all 0.2s ease;
    -webkit-appearance: none;
    appearance: none;
    margin-bottom: 8px;
    border: 1px solid var(--border-color);
}

.time-slider::-webkit-slider-track {
    width: 100%;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 2px;
    border: 1px solid var(--border-color);
}

.time-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid var(--bg-primary);
}

.time-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.time-slider::-moz-range-track {
    width: 100%;
    height: 6px;
    background: var(--bg-primary);
    border-radius: 2px;
    border: 1px solid var(--border-color);
}

.time-slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
    border: 2px solid var(--bg-primary);
    transition: all 0.2s ease;
}

.time-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
}

.time-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.timezone-list-container {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 5px;
    min-height: 100px;
}

.timezone-list-container.empty {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-style: italic;
    min-height: 150px;
}

.timezone-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 10px 16px;
    border-bottom: 1px solid var(--border-light);
    transition: all 0.3s ease;
    position: relative;
}

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

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

.timezone-item.editable {
    background-color: var(--bg-tertiary);
}

.timezone-item.dragging {
    opacity: 0.8;
    background-color: var(--bg-tertiary);
    z-index: 1000;
}

.timezone-item:not(.dragging) {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.timezone-list-container.drag-active .timezone-item:not(.dragging) {
    transition: transform 0.2s ease;
}

.drag-handle {
    color: var(--text-muted);
    cursor: grab;
    font-size: 12px;
    letter-spacing: -1px;
    padding: 5px;
    margin-right: 10px;
    border-radius: 2px;
    transition: all 0.2s ease;
    user-select: none;
    writing-mode: vertical-lr;
    height: fit-content;
    align-self: center;
}

.drag-handle:hover {
    color: var(--accent-color);
    background-color: var(--bg-secondary);
}

.drag-handle:active {
    cursor: grabbing;
}

.timezone-info {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
}

.timezone-primary {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 5px;
}

.timezone-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.timezone-time {
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--accent-color);
}

.timezone-secondary {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.timezone-location {
    flex: 1;
}

.timezone-offset {
    color: var(--text-light);
}

.timezone-actions {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-top: 5px;
    flex-shrink: 0;
}


.remove-btn {
    width: 24px;
    height: 24px;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.remove-btn:hover {
    background: var(--danger-hover);
    transform: scale(1.1);
}

.time-editor {
    display: none;
    margin-top: 10px;
    padding: 10px;
    background: var(--bg-secondary);
    border-radius: 3px;
    border: 1px solid var(--border-color);
}

.time-editor.show {
    display: block;
}

.time-editor-inputs {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
}

.time-editor input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 36px;
}

.time-editor input:hover {
    border-color: var(--accent-color);
}

.time-editor input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.time-editor input[type="date"],
.time-editor input[type="time"] {
    /* Keep native appearance for better functionality */
}

.time-editor input[type="date"]::-webkit-calendar-picker-indicator,
.time-editor input[type="time"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    border-radius: 4px;
    margin-left: 5px;
    opacity: 0.6;
    transition: opacity 0.2s ease;
}

.time-editor input[type="date"]::-webkit-calendar-picker-indicator:hover,
.time-editor input[type="time"]::-webkit-calendar-picker-indicator:hover {
    opacity: 1;
}

.time-editor-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.save-btn {
    padding: 6px 12px;
    background: var(--success-color);
    color: white;
    border: none;
    border-radius: 2px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.save-btn:hover {
    background: var(--success-hover);
}

.cancel-btn {
    padding: 6px 12px;
    background: var(--text-light);
    color: white;
    border: none;
    border-radius: 2px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cancel-btn:hover {
    background: var(--text-muted);
}

.time-card {
    background: #f7fafc;
    padding: 20px;
    border-radius: 8px;
    text-align: center;
    border: 2px solid #e2e8f0;
    transition: transform 0.3s ease;
}

.time-card:hover {
    transform: translateY(-5px);
}

.time-card h4 {
    color: #4a5568;
    margin-bottom: 10px;
    font-size: 1.1rem;
}

.current-time {
    font-size: 1.3rem;
    font-weight: bold;
    color: #667eea;
}

@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    header h1 {
        font-size: 2rem;
    }

    header p {
        font-size: 0.9rem;
    }

    main {
        border-radius: 8px;
    }

    .timezone-search {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .search-container {
        max-width: 100%;
    }


    .timezone-item {
        padding: 8px 12px;
    }

    .timezone-primary {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .timezone-time {
        font-size: 1.2rem;
    }

    .timezone-secondary {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .time-slider-container {
        padding: 10px;
    }
}

/* Custom Time Picker Popup */
.time-picker-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--overlay-bg);
    display: none;
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.time-picker-popup.show {
    display: flex;
}

.time-picker-content {
    background: var(--bg-primary);
    border-radius: 6px;
    width: 300px;
    max-height: 500px;
    overflow: hidden;
}

.time-picker-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
}

.time-picker-header h3 {
    margin: 0;
    color: var(--text-secondary);
    font-size: 1.2rem;
}

.close-popup {
    background: none;
    border: none;
    font-size: 24px;
    color: #a0aec0;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.close-popup:hover {
    background: #e2e8f0;
    color: #4a5568;
}

.time-picker-search {
    padding: 15px 20px;
    border-bottom: 1px solid #e2e8f0;
}

.time-search-input {
    width: 100%;
    padding: 10px 12px;
    border: 2px solid var(--border-color);
    border-radius: 3px;
    font-size: 14px;
    transition: all 0.3s ease;
    background: var(--bg-primary);
    color: var(--text-primary);
}

.time-search-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

.time-list-container {
    max-height: 320px;
    overflow-y: auto;
}

.time-list {
    padding: 10px 0;
}

.time-option {
    padding: 12px 20px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    border-bottom: 1px solid var(--border-light);
    font-size: 16px;
    color: var(--text-secondary);
}

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

.time-option:last-child {
    border-bottom: none;
}

.time-option.selected {
    background-color: var(--accent-color);
    color: white;
}

/* Update time input to look clickable */
.time-editor input[type="time"] {
    cursor: pointer;
    position: relative;
}

.time-editor input[type="time"]::-webkit-calendar-picker-indicator {
    opacity: 0;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    cursor: pointer;
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2rem;
    }

    main {
    }

    .search-inputs {
        flex-direction: column;
        gap: 8px;
    }

    .date-input {
        min-width: auto;
    }

    .datetime-input-container {
        flex-direction: column;
        gap: 8px;
    }

    .parse-btn {
        padding: 10px 16px;
    }

    .timezone-item {
        padding: 10px 12px;
    }

    .timezone-time {
        font-size: 1.1rem;
    }

    .timezone-actions {
        justify-content: flex-end;
    }

    .remove-btn {
        width: 20px;
        height: 20px;
        font-size: 12px;
    }

    .time-picker-content {
        width: 280px;
        margin: 20px;
    }
}

/* Footer Styles */
.footer {
    margin-top: 40px;
    padding: 30px 20px;
    background: var(--bg-secondary);
    text-align: right;
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-content p {
    margin: 8px 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.feedback-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.feedback-link:hover {
    color: var(--text-primary);
    text-decoration: underline;
}