/* Base Styles */
:root {
    /* Light Theme Colors */
    --bg-primary: #f8f9fa;
    --bg-secondary: #ffffff;
    --text-primary: #212529;
    --text-secondary: #6c757d;
    --border-color: #e9ecef;
    --accent-color: #4361ee;
    --accent-light: #4361ee20;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --warning-color: #ffc107;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --canvas-bg: #333333;

    /* UI Elements */
    --border-radius: 8px;
    --input-border-radius: 6px;
    --btn-border-radius: 6px;
    --section-gap: 20px;
    --transition-speed: 0.3s;

    /* Layout */
    --sidebar-width: 320px;
    --template-sidebar-width: 240px;
}

/* Dark Theme Colors */
[data-theme="dark"] {
    --bg-primary: #121212;
    --bg-secondary: #1e1e1e;
    --text-primary: #f8f9fa;
    --text-secondary: #adb5bd;
    --border-color: #2d3748;
    --accent-color: #4cc9f0;
    --accent-light: #4cc9f020;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --canvas-bg: #1a1a1a;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* App Container */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header Styles */
header {
    background-color: var(--bg-secondary);
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px var(--shadow-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 10;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(45deg, var(--accent-color), #7209b7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.theme-toggle button {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color var(--transition-speed);
}

.theme-toggle button:hover {
    color: var(--accent-color);
}

/* Main Content */
main {
    flex: 1;
    padding: 1rem;
}

.editor-container {
    display: flex;
    gap: 1rem;
    height: calc(100vh - 180px);
    min-height: 600px;
}

/* Sidebar Controls */
.controls-sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px var(--shadow-color);
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--section-gap);
}

.control-section {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.control-section:last-child {
    border-bottom: none;
}

.control-section h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

/* Form Elements */
label {
    display: block;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

input[type="text"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 0.6rem;
    border: 1px solid var(--border-color);
    border-radius: var(--input-border-radius);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: border-color var(--transition-speed);
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--accent-light);
}

/* Loading state for font selector */
select.loading {
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23007CB2%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
    background-position: right 0.7rem top 50%;
    background-repeat: no-repeat;
    background-size: 0.65rem auto;
    animation: pulse 1.5s infinite;
    cursor: wait;
}

@keyframes pulse {
    0% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }

    100% {
        opacity: 1;
    }
}

textarea {
    resize: vertical;
    min-height: 80px;
}

input[type="color"] {
    width: 100%;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--input-border-radius);
    padding: 2px;
    cursor: pointer;
}

input[type="range"] {
    width: 100%;
    background-color: var(--border-color);
    height: 5px;
    border-radius: 5px;
    -webkit-appearance: none;
    appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--accent-color);
    cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--accent-color);
    cursor: pointer;
    border: none;
}

.range-with-value {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.range-with-value span {
    min-width: 40px;
    text-align: right;
    font-size: 0.9rem;
}

input[type="file"] {
    display: none;
}

.custom-file-upload {
    display: inline-block;
    padding: 0.6rem 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--btn-border-radius);
    cursor: pointer;
    transition: background-color var(--transition-speed);
    text-align: center;
}

.custom-file-upload:hover {
    background-color: var(--border-color);
}

.custom-file-upload.loading {
    animation: pulse 1.5s infinite;
    cursor: wait;
}

/* Font Style Buttons */
.font-style-buttons {
    display: flex;
    gap: 0.5rem;
}

.style-toggle {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--btn-border-radius);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.style-toggle:hover {
    background-color: var(--border-color);
}

.style-toggle.active {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* Effect Options */
.effect-options details {
    margin-bottom: 0.8rem;
}

.effect-options summary {
    padding: 0.6rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--input-border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: background-color var(--transition-speed);
}

.effect-options summary:hover {
    background-color: var(--border-color);
}

.effect-controls {
    padding: 0.8rem;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 var(--input-border-radius) var(--input-border-radius);
    background-color: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

/* Background Controls */
.background-type {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.background-type label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 0;
    cursor: pointer;
}

/* Alignment Buttons */
.alignment-buttons {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.8rem;
}

.align-button {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--btn-border-radius);
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.align-button:hover {
    background-color: var(--border-color);
}

.align-button.active {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

/* Preview Section */
.preview-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    height: 100%;
}

.canvas-controls {
    display: flex;
    gap: 1rem;
    align-items: center;
    padding: 0.8rem;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--shadow-color);
}

#customSizeControls {
    display: flex;
    gap: 1rem;
}

#customSizeControls label {
    margin-bottom: 0;
    display: flex;
    align-items: center;
}

#customSizeControls input {
    width: 80px;
}

.canvas-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px var(--shadow-color);
    overflow: hidden;
    position: relative;
}

.preview-canvas {
    background-color: var(--canvas-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    max-width: 90%;
    max-height: 90%;
    position: relative;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    user-select: none;
}

.text-element {
    font-size: 60px;
    font-weight: bold;
    color: white;
    text-align: center;
    padding: 20px;
    width: 100%;
    cursor: move;
    position: absolute;
    transform: translate(-50%, -50%);
    left: 50%;
    top: 50%;
    pointer-events: auto;
    z-index: 10;
    transition: transform 0.1s ease, box-shadow 0.2s ease;
}

.text-element.dragging {
    cursor: grabbing;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
    z-index: 20;
}

.download-section {
    display: flex;
    gap: 1rem;
    padding: 0.8rem;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: 0 2px 8px var(--shadow-color);
}

.primary-button {
    padding: 0.8rem 1.5rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: var(--btn-border-radius);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color var(--transition-speed);
}

.primary-button:hover {
    background-color: #324bda;
}

.secondary-button {
    padding: 0.8rem 1.5rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--btn-border-radius);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: background-color var(--transition-speed);
}

.secondary-button:hover {
    background-color: var(--border-color);
}

.download-format {
    display: flex;
    gap: 0.5rem;
}

.download-format button {
    padding: 0.6rem 1rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--btn-border-radius);
    cursor: pointer;
    transition: all var(--transition-speed);
}

.download-format button:hover {
    background-color: var(--border-color);
}

/* Templates Sidebar */
.templates-sidebar {
    width: var(--template-sidebar-width);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px var(--shadow-color);
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.templates-search {
    margin-bottom: 0.8rem;
}

.templates-categories {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}

.category-button {
    padding: 0.4rem 0.8rem;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.category-button:hover {
    background-color: var(--border-color);
}

.category-button.active {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.templates-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.8rem;
}

.template-item {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

.template-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.template-preview {
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--canvas-bg);
}

.template-name {
    font-size: 0.8rem;
    padding: 0.4rem;
    text-align: center;
    background-color: var(--bg-primary);
}

.template-loading {
    text-align: center;
    padding: 1rem;
    color: var(--text-secondary);
}

/* Footer */
footer {
    background-color: var(--bg-secondary);
    padding: 1rem 2rem;
    border-top: 1px solid var(--border-color);
}

.history-section {
    max-width: 1200px;
    margin: 0 auto;
    margin-bottom: 1rem;
}

.history-section h3 {
    margin-bottom: 0.8rem;
}

.download-history {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem;
}

.history-item {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.history-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-color);
}

.history-preview {
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--canvas-bg);
}

.history-info {
    padding: 0.5rem;
    font-size: 0.8rem;
}

.empty-history {
    color: var(--text-secondary);
    font-style: italic;
}

.footer-info {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.8rem;
    margin-top: 1rem;
}

/* Loading Indicator */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    z-index: 10000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 10px;
}

.loading-indicator::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .editor-container {
        flex-direction: column;
        height: auto;
    }

    .controls-sidebar,
    .templates-sidebar {
        width: 100%;
        max-height: 300px;
    }

    .preview-section {
        min-height: 500px;
    }
}

@media (max-width: 768px) {
    header {
        padding: 1rem;
    }

    .logo h1 {
        font-size: 1.2rem;
    }

    main {
        padding: 0.5rem;
    }

    .canvas-controls,
    .download-section {
        flex-direction: column;
        align-items: stretch;
    }

    #customSizeControls {
        flex-direction: column;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.fadeIn {
    animation: fadeIn 0.3s ease-in-out;
}

.slideUp {
    animation: slideUp 0.3s ease-in-out;
}

/* Text Effects */
.text-glitch {
    position: relative;
    text-shadow: 0.05em 0 0 rgba(255, 0, 0, 0.75),
        -0.05em -0.025em 0 rgba(0, 255, 0, 0.75),
        0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    animation: glitch 500ms infinite;
}

@keyframes glitch {
    0% {
        text-shadow: 0.05em 0 0 rgba(255, 0, 0, 0.75),
            -0.05em -0.025em 0 rgba(0, 255, 0, 0.75),
            0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    }

    14% {
        text-shadow: 0.05em 0 0 rgba(255, 0, 0, 0.75),
            -0.05em -0.025em 0 rgba(0, 255, 0, 0.75),
            0.025em 0.05em 0 rgba(0, 0, 255, 0.75);
    }

    15% {
        text-shadow: -0.05em -0.025em 0 rgba(255, 0, 0, 0.75),
            0.025em 0.025em 0 rgba(0, 255, 0, 0.75),
            -0.05em -0.05em 0 rgba(0, 0, 255, 0.75);
    }

    49% {
        text-shadow: -0.05em -0.025em 0 rgba(255, 0, 0, 0.75),
            0.025em 0.025em 0 rgba(0, 255, 0, 0.75),
            -0.05em -0.05em 0 rgba(0, 0, 255, 0.75);
    }

    50% {
        text-shadow: 0.025em 0.05em 0 rgba(255, 0, 0, 0.75),
            0.05em 0 0 rgba(0, 255, 0, 0.75),
            0 -0.05em 0 rgba(0, 0, 255, 0.75);
    }

    99% {
        text-shadow: 0.025em 0.05em 0 rgba(255, 0, 0, 0.75),
            0.05em 0 0 rgba(0, 255, 0, 0.75),
            0 -0.05em 0 rgba(0, 0, 255, 0.75);
    }

    100% {
        text-shadow: -0.025em 0 0 rgba(255, 0, 0, 0.75),
            -0.025em -0.025em 0 rgba(0, 255, 0, 0.75),
            -0.025em -0.05em 0 rgba(0, 0, 255, 0.75);
    }
}

.text-3d {
    text-shadow: 0 1px 0 #ccc,
        0 2px 0 #c9c9c9,
        0 3px 0 #bbb,
        0 4px 0 #b9b9b9,
        0 5px 0 #aaa,
        0 6px 1px rgba(0, 0, 0, .1),
        0 0 5px rgba(0, 0, 0, .1),
        0 1px 3px rgba(0, 0, 0, .3),
        0 3px 5px rgba(0, 0, 0, .2),
        0 5px 10px rgba(0, 0, 0, .25),
        0 10px 10px rgba(0, 0, 0, .2),
        0 20px 20px rgba(0, 0, 0, .15);
}

/* Animations */
@keyframes bounce {

    from,
    20%,
    53%,
    80%,
    to {
        animation-timing-function: cubic-bezier(0.215, 0.610, 0.355, 1.000);
        transform: translate3d(0, 0, 0);
    }

    40%,
    43% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -30px, 0);
    }

    70% {
        animation-timing-function: cubic-bezier(0.755, 0.050, 0.855, 0.060);
        transform: translate3d(0, -15px, 0);
    }

    90% {
        transform: translate3d(0, -4px, 0);
    }
}

.text-animation-bounce {
    animation: bounce 1s infinite;
}

@keyframes flicker {

    0%,
    19.999%,
    22%,
    62.999%,
    64%,
    64.999%,
    70%,
    100% {
        opacity: 1;
    }

    20%,
    21.999%,
    63%,
    63.999%,
    65%,
    69.999% {
        opacity: 0.33;
    }
}

.text-animation-flicker {
    animation: flicker 2s infinite;
}

@keyframes zoomIn {
    from {
        opacity: 0;
        transform: scale3d(0.3, 0.3, 0.3);
    }

    50% {
        opacity: 1;
    }

    to {
        transform: scale3d(1, 1, 1);
    }
}

.text-animation-zoomIn {
    animation: zoomIn 1s infinite;
}

/* Typewriter Animation */
@keyframes typing {
    from {
        width: 0
    }

    to {
        width: 100%
    }
}

@keyframes blink-caret {

    from,
    to {
        border-color: transparent
    }

    50% {
        border-color: orange;
    }
}

.text-animation-typewriter {
    overflow: hidden;
    white-space: nowrap;
    margin: 0 auto;
    letter-spacing: .15em;
    border-right: .15em solid orange;
    animation:
        typing 3.5s steps(40, end) infinite,
        blink-caret .75s step-end infinite;
}

/* Error message container */
.error-container {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 500px;
    z-index: 100;
    transition: all 0.3s ease;
}

.error-message {
    background-color: var(--danger-color);
    color: white;
    padding: 12px 15px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideUp 0.3s ease-out;
}

.error-message i {
    font-size: 1.2rem;
}

.error-message span {
    flex: 1;
}

.error-message button {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 5px;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.error-message button:hover {
    opacity: 1;
}