:root {
    --primary-color: #ff7e5f;
    --primary-gradient: #ff7e5f; /* Solid color instead of gradient */
    --bg-color: rgb(44, 169, 225);
    --panel-bg: rgba(255, 255, 255, 0.95);
    --text-color: #333333;
    --border-color: #e2e8f0;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 8px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 15px 35px rgba(0,0,0,0.1);
    --border-radius: 16px;
    --border-radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Noto Sans JP', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

body {
    background-image: url('images/background.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: 10px;
    touch-action: pan-x pan-y;
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: -1;
}

@media (min-width: 768px) {
    body {
        padding: 40px 20px;
    }
}

.container {
    max-width: 1200px;
    width: 100%;
    margin: auto;
    touch-action: pan-x pan-y;
    animation: fadeIn 0.8s ease-out;
}

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

h1 {
    text-align: center;
    margin-bottom: 30px;
    color: #ffffff;
    font-weight: 800;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 8px rgba(0,0,0,0.8);
}

.editor-container {
    display: flex;
    flex-direction: column;
    background: var(--panel-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    overflow: hidden;
    touch-action: pan-x pan-y;
    border: 1px solid rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
}

@media (min-width: 992px) {
    .editor-container {
        flex-direction: row;
        padding: 30px;
        gap: 30px;
    }
}

.canvas-container {
    position: relative;
    min-height: 350px;
    flex: 1.5;
    background: radial-gradient(circle at center, #ffffff 0%, #f0f0f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    border-radius: var(--border-radius-sm);
    width: 100%;
    height: 100%;
    touch-action: none;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.05);
    border: 1px solid var(--border-color);
}

@media (min-width: 768px) {
    .canvas-container {
        min-height: 450px;
    }
}

#imageCanvas {
    max-width: 100%;
    max-height: 100%;
    display: block;
    object-fit: contain;
    touch-action: none;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.15));
}

.text-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: auto;
    touch-action: none;
}

/* Animations for text elements */
@keyframes popIn {
    0% { transform: scale(0.8) translate(-50%, -50%); opacity: 0; }
    100% { transform: scale(1) translate(-50%, -50%); opacity: 1; }
}

.text-element {
    position: absolute;
    cursor: grab;
    background-color: transparent;
    padding: 8px 12px;
    border-radius: var(--border-radius-sm);
    pointer-events: auto;
    user-select: none;
    border: 2px solid transparent;
    touch-action: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    min-width: 50px;
    min-height: 20px;
    max-width: calc(100% - 20px);
    word-break: break-word;
    white-space: pre-wrap;
    transition: box-shadow 0.2s, border-color 0.2s, background-color 0.2s;
    animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.text-element:active {
    cursor: grabbing;
}

.text-element:hover {
    border: 2px dashed rgba(255, 126, 95, 0.5);
    background-color: transparent;
}

.text-element.active {
    border: 2px solid var(--primary-color);
    background-color: transparent;
    box-shadow: 0 0 15px rgba(255, 126, 95, 0.3);
    z-index: 10;
}

.text-element.editable {
    cursor: grab;
    background-color: transparent;
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-md);
    min-width: 120px;
    min-height: 30px;
    outline: none;
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
    transform-origin: center;
    white-space: pre-wrap;
    word-wrap: break-word;
    line-height: 1.3;
}

.text-element.editable:focus {
    background-color: transparent;
    border: 2px solid var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 126, 95, 0.2), var(--shadow-md);
    cursor: text;
}

.floating-delete-btn {
    position: absolute;
    width: 24px;
    height: 24px;
    background-color: #ff4757;
    color: white;
    border: 2px solid white;
    border-radius: 50%;
    font-size: 10px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(255, 71, 87, 0.4);
    z-index: 20;
    transition: transform 0.1s, background-color 0.2s;
    line-height: 1;
    padding-bottom: 1px; /* visual center for X */
}

.floating-delete-btn:hover {
    background-color: #ff6b81;
    transform: scale(1.1);
}

.control-panel {
    flex: 1;
    background-color: #ffffff;
    border-radius: var(--border-radius);
    touch-action: pan-x pan-y;
    display: flex;
    flex-direction: column;
}

@media (min-width: 992px) {
    .control-panel {
        padding-left: 10px;
    }
}

.text-controls h3 {
    margin-bottom: 20px;
    padding: 10px 15px;
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(to right, rgba(44, 169, 225, 0.7) 0%, rgba(44, 169, 225, 0.4) 75%, rgba(255, 255, 255, 0) 100%);
    border-left: 5px solid rgb(44, 169, 225);
}

.control-group {
    margin-bottom: 18px;
    background: #f8f9fa;
    padding: 12px 16px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.control-group:hover, .control-group:focus-within {
    border-color: #cbd5e0;
    background: #ffffff;
    box-shadow: var(--shadow-sm);
}

.control-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
    font-weight: 600;
    color: #4a5568;
    font-size: 0.9rem;
}

.control-group input[type="text"],
.control-group select,
.control-group textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 15px;
    color: #2d3748;
    background-color: #ffffff;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    touch-action: manipulation;
    font-family: inherit;
    transition: var(--transition);
}

.control-group input[type="text"]:focus,
.control-group select:focus,
.control-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(255, 126, 95, 0.15);
}

.control-group textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.5;
}

/* Custom Color Picker */
.control-group input[type="color"] {
    -webkit-appearance: none;
    border: none;
    width: 100%;
    height: 40px;
    border-radius: 6px;
    cursor: pointer;
    background: transparent;
}
.control-group input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}
.control-group input[type="color"]::-webkit-color-swatch {
    border: 1px solid var(--border-color);
    border-radius: 6px;
}

/* Custom Range Slider */
.slider-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.control-group input[type="range"] {
    flex: 1;
    height: 8px;
    -webkit-appearance: none;
    appearance: none;
    background: #e2e8f0;
    border-radius: 4px;
    outline: none;
    touch-action: pan-x;
}

.control-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    background: #ffffff;
    border: 2px solid rgb(44, 169, 225);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform 0.1s;
}

.control-group input[type="range"]::-webkit-slider-thumb:hover,
.control-group input[type="range"]::-webkit-slider-thumb:active {
    transform: scale(1.15);
    box-shadow: 0 0 0 6px rgba(44, 169, 225, 0.15);
}

.control-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: #ffffff;
    border: 2px solid rgb(44, 169, 225);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
}

#fontSizeValue {
    display: inline-block;
    min-width: 45px;
    text-align: right;
    font-weight: 600;
    color: rgb(44, 169, 225);
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.controls-row {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
}
.controls-row .sub-control {
    flex: 1;
}

@media (max-width: 767px) {
    .controls-row {
        gap: 8px;
    }
    .controls-row .sub-control {
        padding: 0;
    }
    .controls-row label {
        font-size: 0.75rem;
        white-space: nowrap;
    }
    .controls-row input[type="color"] {
        height: 36px;
    }
}

.btn-large {
    font-size: 18px;
    padding: 16px 24px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.btn-main-text {
    font-weight: 700;
}

.btn-sub-text {
    font-size: 13px;
    font-weight: normal;
    opacity: 0.9;
}

.btn {
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    font-weight: 700;
    font-size: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    touch-action: manipulation;
    -webkit-appearance: none;
    color: white;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s;
}

.btn:hover::after {
    opacity: 1;
}

.btn:active {
    transform: translateY(2px);
}

.btn:disabled {
    background: #a0aec0 !important;
    cursor: not-allowed;
    transform: none;
    box-shadow: none !important;
}

#addTextBtn {
    background: rgb(44, 169, 225);
    box-shadow: 0 4px 15px rgba(44, 169, 225, 0.4);
}

#addTextBtn:hover {
    box-shadow: 0 6px 20px rgba(44, 169, 225, 0.6);
    transform: translateY(-2px);
}

#saveImageBtn {
    background: var(--primary-gradient);
    box-shadow: 0 4px 15px rgba(255, 126, 95, 0.4);
}

#saveImageBtn:hover {
    box-shadow: 0 6px 20px rgba(255, 126, 95, 0.6);
    transform: translateY(-2px);
}

.radio-group {
    display: flex;
    align-items: center;
    margin-top: 8px;
    background: #edf2f7;
    border-radius: 8px;
    padding: 4px;
    width: 100%;
}

.radio-group input[type="radio"] {
    display: none;
}

.radio-label {
    display: flex !important;
    align-items: center;
    justify-content: center;
    flex: 1;
    font-size: 0.9rem !important;
    cursor: pointer;
    margin-bottom: 0 !important;
    font-weight: 600 !important;
    color: #718096;
    padding: 8px 4px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.radio-group input[type="radio"]:checked + .radio-label {
    background-color: #ffffff;
    color: rgb(44, 169, 225);
    box-shadow: 0 2px 5px rgba(0,0,0,0.08);
}

.text-elements-list {
    background: var(--panel-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    padding: 20px;
    margin-bottom: 40px;
    touch-action: pan-x pan-y;
    border: 1px solid rgba(255,255,255,0.8);
    backdrop-filter: blur(10px);
}

@media (min-width: 768px) {
    .text-elements-list {
        padding: 30px;
    }
}

#textItemsList {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.text-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
    animation: slideIn 0.3s ease-out;
}

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

.text-item:hover {
    border-color: #cbd5e0;
    box-shadow: var(--shadow-sm);
    transform: translateX(4px);
}

.text-item-content {
    flex-grow: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 500;
    color: #2d3748;
}

.text-item-actions button {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    color: #e53e3e;
    cursor: pointer;
    margin-left: 15px;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    touch-action: manipulation;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
}

.text-item-actions button:hover {
    background-color: #e53e3e;
    color: white;
    border-color: #e53e3e;
}

/* Empty state for list */
.text-list-empty {
    text-align: center;
    padding: 30px;
    color: #a0aec0;
    font-size: 14px;
    background: var(--bg-color);
    border-radius: 8px;
    border: 1px dashed #cbd5e0;
}

/* Smartphone Adjustments */
@media (max-width: 767px) {
    .control-group {
        padding: 10px 12px;
    }
    
    .control-group input[type="text"],
    .control-group select {
        font-size: 16px; /* Prevents iOS zoom */
        padding: 12px;
    }
    
    .btn {
        padding: 16px;
        font-size: 17px;
    }
    
    .text-element {
        min-width: 80px;
        min-height: 30px;
        padding: 8px;
    }
    
    .text-element.editable {
        min-width: 120px;
        min-height: 30px;
    }
}

/* Preview Mode */
.text-overlay.preview-mode .text-element {
    border-color: transparent !important;
    background-color: transparent !important;
    box-shadow: none !important;
    pointer-events: none !important;
}

.text-overlay.preview-mode .floating-delete-btn {
    display: none !important;
}