/* style.css */
:root {
    --primary-color: #48B48B; /* Green */
    --primary-hover: #3a9b75;
    --secondary-color: #3B82F6; /* Blue */
    --secondary-hover: #2563eb;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    overflow-x: hidden;
}

/* Background Decoration */
.bg-decoration {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.bg-shape {
    position: absolute;
    color: #e2e8f0;
    font-size: 2rem;
    opacity: 0.5;
}

.shape-1 { top: 10%; left: 10%; color: #fecdd3; font-size: 2.5rem; transform: rotate(15deg); }
.shape-2 { top: 20%; right: 15%; color: #bbf7d0; font-size: 2rem; transform: rotate(-20deg); }
.shape-3 { top: 40%; left: 5%; color: #bae6fd; font-size: 1.5rem; }
.shape-4 { top: 60%; right: 10%; color: #e9d5ff; font-size: 3rem; transform: rotate(45deg); }
.shape-5 { bottom: 15%; left: 20%; color: #fef08a; font-size: 2rem; }
.shape-6 { bottom: 10%; right: 25%; color: #fed7aa; font-size: 2.5rem; transform: rotate(-15deg); }
.shape-7 { top: 50%; left: 50%; color: #fbcfe8; font-size: 1.5rem; transform: translate(-50%, -50%) rotate(30deg); }

/* Header */
header {
    background-color: var(--card-bg);
    box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.header-nav {
    display: flex;
    gap: 1.5rem;
}

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

.nav-link:hover {
    color: var(--secondary-color);
}

.nav-link.active {
    color: var(--secondary-color);
}

/* Main Content */
main {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
    width: 100%;
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    font-weight: 600;
}

/* Generator Card */
.generator-card {
    background-color: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2rem;
}

.generator-layout {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
}

/* Left Panel */
.input-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Type Tabs */
.type-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.type-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid transparent;
    border-radius: 20px;
    background: none;
    color: var(--text-color);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.type-tab:hover {
    background-color: var(--bg-color);
}

.type-tab.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(72, 180, 139, 0.05);
}

/* Forms */
.form-panels {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.5rem;
    min-height: 200px;
}

.form-panel {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.form-panel.active {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.form-row {
    display: flex;
    gap: 1rem;
}

label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
}

input, textarea, select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    width: 100%;
}

input[type="radio"], input[type="checkbox"] {
    width: auto;
    padding: 0;
    margin: 0;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(72, 180, 139, 0.1);
}

/* Customization */
.customization-section {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}

.customization-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1rem 1.5rem;
    background-color: var(--bg-color);
    border: none;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-color);
    transition: background-color 0.2s;
}

.customization-toggle:hover {
    background-color: #e2e8f0;
}

.toggle-arrow {
    transition: transform 0.3s;
}

.customization-section.expanded .toggle-arrow {
    transform: rotate(180deg);
}

.customization-content {
    display: none;
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    flex-direction: column;
    gap: 1.5rem;
}

.customization-section.expanded .customization-content {
    display: flex;
}

.custom-block h4 {
    font-size: 0.875rem;
    margin-bottom: 0.75rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Color Pickers */
.color-options {
    display: flex;
    gap: 1rem;
}

.color-group {
    flex: 1;
}

.color-input-wrap {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.color-hex-input {
    flex: 1;
}

.color-picker-input {
    width: 40px;
    height: 40px;
    padding: 0;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

.color-picker-input::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker-input::-webkit-color-swatch {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

/* Logo Upload */
.logo-upload-area {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-upload-btn {
    padding: 0.5rem 1rem;
    background-color: var(--bg-color);
    border: 1px dashed var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.875rem;
    transition: background-color 0.2s;
}

.logo-upload-btn:hover {
    background-color: #e2e8f0;
}

.logo-filename {
    font-size: 0.875rem;
    color: var(--text-light);
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logo-remove-btn {
    background: none;
    border: none;
    color: #ef4444;
    cursor: pointer;
    padding: 0.25rem;
}

/* Styles (Dots & Corners) */
.dot-style-options, .corner-style-options {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.dot-style-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background: none;
    cursor: pointer;
    color: var(--text-color);
    transition: all 0.2s;
}

.dot-style-btn:hover {
    border-color: var(--primary-color);
}

.dot-style-btn.active {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background-color: rgba(72, 180, 139, 0.05);
}

/* Generate Button */
.generate-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 1.125rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.generate-btn:hover {
    background-color: var(--primary-hover);
}

.generate-btn:active {
    transform: scale(0.98);
}

/* Right Panel - Preview */
.preview-panel {
    width: 350px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.qr-preview-container {
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 350px;
    position: relative;
}

.qr-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--text-light);
    gap: 1rem;
    text-align: center;
}

.qr-placeholder i {
    font-size: 4rem;
    opacity: 0.5;
}

.qr-canvas {
    display: none;
}

.qr-canvas.show {
    display: block;
    animation: zoomIn 0.3s ease-out;
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

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

.download-btn {
    flex: 1;
    padding: 0.75rem 0;
    background-color: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-color);
    transition: all 0.2s;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
}

.download-btn:not(:disabled):hover {
    background-color: #e2e8f0;
    border-color: var(--text-light);
}

.download-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
    font-size: 0.875rem;
    margin-top: auto;
}

/* Auth and Modals */
.auth-buttons, .user-menu { display: flex; gap: 1rem; align-items: center; }
.btn { padding: 0.5rem 1rem; border-radius: 6px; cursor: pointer; border: none; font-weight: 500; }
.btn-primary { background: var(--primary-color); color: white; }
.btn-outline { border: 1px solid var(--primary-color); background: none; color: var(--primary-color); }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.875rem; }

.modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 100; }
.modal { display: none; position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%); background: white; padding: 2rem; border-radius: 8px; z-index: 101; width: 90%; max-width: 400px; box-shadow: var(--shadow-lg); }
.modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.close-btn { background: none; border: none; font-size: 1.5rem; cursor: pointer; }

.qr-mode-selector { margin-bottom: 1.5rem; display: flex; background: var(--bg-color); padding: 0.5rem; border-radius: 50px; border: 1px solid var(--border-color); gap: 0.5rem; }
.qr-mode-selector label { cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 0.5rem; flex: 1; padding: 0.75rem 1rem; border-radius: 40px; text-align: center; white-space: nowrap; transition: all 0.2s; font-weight: 600; color: var(--text-light); }
.qr-mode-selector input[type="radio"] { display: none; }
.qr-mode-selector label:has(input:checked) { background: var(--primary-color); color: white; box-shadow: 0 4px 6px rgba(72, 180, 139, 0.2); }
.qr-mode-selector label:hover:not(:has(input:checked)) { background: rgba(0,0,0,0.05); color: var(--text-color); }

.hidden-section { display: none; }
.dashboard-card { background: var(--card-bg); border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-lg); }
.qr-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.qr-table th, .qr-table td { padding: 1rem; text-align: left; border-bottom: 1px solid var(--border-color); }
.qr-table th { background: var(--bg-color); }
.error-msg { color: #ef4444; font-size: 0.875rem; margin-top: 0.5rem; }

/* Responsive */
@media (max-width: 900px) {
    .generator-layout {
        flex-direction: column;
    }

    .preview-panel {
        width: 100%;
        order: -1;
    }

    .form-row {
        flex-direction: column;
        gap: 1rem;
    }
}