/* ===================================
   The Pottery Academy - Template Generator
   =================================== */

/* CSS Variables - The Pottery Academy Brand */
:root {
    /* Brand Colors */
    --primary-color: #c65d42;      /* Terra Cotta */
    --primary-green: #8b9b87;      /* Sage Green */
    --bg-color: #f4f1ed;           /* Neutral Cream */
    --bg-secondary: #f5f3f0;       /* Off-White */
    --accent-color: #e07a5f;       /* Coral Accent */
    --text-color: #322a17;         /* Deep Brown */
    --text-secondary: #5d4037;     /* Dark Brown */
    --text-light: #6B6560;         /* Light Gray for hints */
    --card-bg: #FFFFFF;
    --border-color: #8b9b87;
    --success-color: #8b9b87;
    --error-color: #c65d42;

    /* Alert/Message Colors */
    --warning-bg: #FFF3CD;
    --warning-text: #856404;
    --success-bg: #D4EDDA;
    --success-text: #155724;

    /* Typography */
    --font-heading: 'Josefin Sans', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Effects */
    --border-radius: 8px;
    --radius-md: 16px;
    --shadow-sm: 0 2px 4px rgba(50, 42, 23, 0.1);
    --shadow-md: 0 4px 8px rgba(50, 42, 23, 0.15);

    /* Hard Shadow Design (from landing page) */
    --shadow-hard: 5px 5px 0 var(--text-color);
    --shadow-hard-hover: 7px 7px 0 var(--text-color);
    --shadow-hard-sm: 3px 3px 0 var(--text-color);
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    padding: var(--spacing-md);
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.header-logo {
    margin-bottom: var(--spacing-md);
}

.logo {
    height: 40px;
    width: auto;
}

.tagline {
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-secondary);
    font-weight: 600;
}

/* Main Layout */
main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* Sections */
section {
    background: var(--card-bg);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 3px solid var(--text-color);
    box-shadow: var(--shadow-hard);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

section:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-hard-hover);
}

section h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 1.5rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: var(--spacing-xs);
}

section h3 {
    color: var(--text-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.1rem;
}

/* Input Section */
.input-section {
    grid-column: 1;
    grid-row: 1 / 3;
}

/* Mode Toggle */
.mode-toggle {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.mode-btn {
    flex: 1;
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    background: var(--bg-color);
    color: var(--text-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-btn:hover {
    border-color: var(--primary-color);
    background: var(--card-bg);
}

.mode-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Section Header with Unit Toggle */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    margin-bottom: 0;
}

/* Pill-Shaped Unit Toggle */
.unit-toggle {
    position: relative;
    display: flex;
    background: var(--bg-color);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    padding: 2px;
    font-size: 0.75rem;
}

.unit-option {
    position: relative;
    z-index: 1;
    padding: 4px 12px;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s ease;
    user-select: none;
    font-family: var(--font-body);
    font-weight: 500;
}

.unit-option.active {
    color: white;
}

.unit-slider {
    position: absolute;
    top: 2px;
    left: 2px;
    height: calc(100% - 4px);
    width: calc(50% - 2px);
    background: var(--primary-color);
    border-radius: 16px;
    transition: transform 0.3s ease;
}

.unit-toggle[data-active="imperial"] .unit-slider {
    transform: translateX(100%);
}

/* Input Forms */
.input-form {
    display: none;
    margin-bottom: var(--spacing-lg);
}

.input-form.active {
    display: block;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-color);
}

/* Note: Slider inputs have their own styles in .slider-input-group */

/* Presets */
.presets {
    margin-bottom: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.preset-btn {
    display: inline-block;
    margin-right: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--accent-color);
    color: white;
    border: 3px solid var(--text-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-hard-sm);
}

.preset-btn:hover {
    background: var(--primary-color);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-hard);
}

.preset-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--text-color);
}

/* Calculated Values */
.calculated-values {
    background: var(--bg-color);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.value-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-color);
}

.value-row:last-child {
    border-bottom: none;
}

.value-row .label {
    font-weight: 600;
    color: var(--text-light);
}

.value-row .value {
    font-weight: 700;
    color: var(--primary-color);
}

/* Preview Section */
.preview-section {
    grid-column: 2;
    grid-row: 1;
}

.canvas-container {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, #f5f5f5 0%, #e8e8e8 100%);
    border-radius: var(--border-radius);
    border: 2px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.preview-hint {
    text-align: center;
    color: var(--text-light);
    font-size: 0.9rem;
    margin-top: var(--spacing-sm);
    font-style: italic;
}

/* Download Section */
.download-section {
    grid-column: 2;
    grid-row: 2;
    text-align: center;
}

.download-description {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
}

/* Warning Message */
.warning-message {
    background: var(--warning-bg);
    border: 2px solid var(--warning-text);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    color: var(--warning-text);
    font-size: 0.95rem;
    text-align: center;
}

.warning-message strong {
    color: #C1440E;
}

.btn-primary {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--success-color);
    color: white;
    border: 3px solid var(--text-color);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-hard);
}

.btn-primary:disabled {
    background: #ccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: var(--shadow-hard-sm);
}

.btn-primary:hover:not(:disabled) {
    background: #3d6549;
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-hard-hover);
}

.btn-primary:active:not(:disabled) {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--text-color);
}

/* Footer */
footer {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-light);
    border-top: 1px solid var(--border-color);
}

footer a {
    color: var(--primary-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Slider + Input Group (side by side layout) */
.slider-input-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.slider-input-group input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--border-color);
    border: none;
    border-radius: 2px;
    cursor: pointer;
}

.slider-input-group input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 3px solid var(--text-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-hard-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.slider-input-group input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-hard);
}

.slider-input-group input[type="range"]::-webkit-slider-thumb:active {
    transform: scale(0.95);
    box-shadow: 2px 2px 0 var(--text-color);
}

.slider-input-group input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border: 3px solid var(--text-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-hard-sm);
}

.slider-input-group input[type="number"] {
    width: 80px;
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    text-align: center;
    -moz-appearance: textfield; /* Hide spinners in Firefox */
}

/* Hide spinners in Chrome, Safari, Edge */
.slider-input-group input[type="number"]::-webkit-inner-spin-button,
.slider-input-group input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.slider-input-group input[type="number"]:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    main {
        grid-template-columns: 1fr;
    }

    .input-section,
    .preview-section,
    .download-section {
        grid-column: 1 !important;
        grid-row: auto !important;
    }
}

@media (max-width: 640px) {
    header h1 {
        font-size: 1.8rem;
    }

    .subtitle {
        font-size: 1rem;
    }

    .mode-toggle {
        flex-direction: column;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-sm);
    }

    .unit-toggle {
        align-self: flex-start;
    }

    .canvas-container {
        height: 300px;
    }
}

/* Loading State (for future use) */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Error State (for future use) */
.error {
    border-color: var(--error-color) !important;
}

.error-message {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-top: var(--spacing-xs);
}

/* Hidden utility class */
.hidden {
    display: none !important;
}

/* Advanced Settings Section */
.advanced-settings {
    margin-bottom: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.toggle-advanced-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--bg-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-advanced-btn:hover {
    border-color: var(--primary-color);
    background: var(--card-bg);
}

.toggle-icon {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.toggle-advanced-btn.expanded .toggle-icon {
    transform: rotate(90deg);
}

.advanced-content {
    padding-top: var(--spacing-md);
}

.input-hint {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-top: var(--spacing-xs);
    font-style: italic;
}

/* Wet Dimensions Section */
.wet-dimensions {
    background: linear-gradient(135deg, #e8f4e8 0%, #d4e8d4 100%);
    border-color: var(--success-color);
}

.wet-dimensions h3 {
    color: var(--success-color);
}

.wet-dimensions .value {
    color: var(--success-color);
}

/* Preview Controls */
.preview-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-color);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

.size-toggle {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.toggle-label {
    font-size: 0.9rem;
    color: var(--text-light);
}

.size-toggle-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-color);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.size-toggle-btn:hover {
    border-color: var(--primary-color);
}

.size-toggle-btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Responsive adjustments for preview controls */
@media (max-width: 640px) {
    .preview-controls {
        flex-direction: column;
        align-items: flex-start;
    }

    .size-toggle {
        width: 100%;
        justify-content: space-between;
    }
}

/* Button Group */
.button-group {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Secondary Button (Share) */
.btn-secondary {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-color);
    color: var(--text-color);
    border: 3px solid var(--text-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: var(--shadow-hard);
}

.btn-secondary:hover {
    background: var(--card-bg);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-hard-hover);
}

.btn-secondary:active {
    transform: translate(2px, 2px);
    box-shadow: 2px 2px 0 var(--text-color);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.hidden {
    opacity: 0;
    transform: translateX(-50%) translateY(1rem);
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ==========================================
   EMAIL GATE MODAL
   ========================================== */

.email-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.email-modal.show {
    opacity: 1;
    visibility: visible;
}

.email-modal.hidden {
    display: none !important;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(50, 42, 23, 0.75);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    z-index: 2001;
    background: var(--card-bg);
    border: 3px solid var(--text-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-hard);
    max-width: 450px;
    width: 90%;
    padding: var(--spacing-xl);
    transform: scale(0.9) translateY(20px);
    transition: transform 0.3s ease;
}

.email-modal.show .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: transparent;
    border: none;
    font-size: 1.8rem;
    color: var(--text-light);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s ease;
}

.modal-close:hover {
    color: var(--text-color);
    background: var(--bg-color);
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.modal-logo {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-md);
}

.modal-header h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--text-color);
    margin: 0 0 var(--spacing-xs) 0;
}

.modal-header p {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

.modal-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.modal-form .form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.modal-form label {
    font-weight: 500;
    color: var(--text-color);
    font-size: 0.9rem;
}

.modal-form input[type="email"],
.modal-form input[type="text"] {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-body);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.modal-form input[type="email"]:focus,
.modal-form input[type="text"]:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(198, 93, 66, 0.15);
}

.modal-form .btn-primary {
    width: 100%;
    margin-top: var(--spacing-xs);
}

.modal-consent {
    font-size: 0.8rem;
    color: var(--text-light);
    text-align: center;
    line-height: 1.4;
    margin: 0;
}

.modal-consent a {
    color: var(--primary-color);
    text-decoration: none;
}

.modal-consent a:hover {
    text-decoration: underline;
}

.modal-error {
    background: var(--warning-bg);
    border: 2px solid var(--error-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-sm);
    color: var(--warning-text);
    font-size: 0.9rem;
    text-align: center;
}

.modal-error.hidden {
    display: none;
}

/* Verify View Styles */
.verify-email-highlight {
    background: var(--bg-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius);
    margin: var(--spacing-sm) 0;
    word-break: break-all;
}

.verify-options {
    text-align: center;
}

.verify-options p {
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
}

.verify-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.verify-buttons .btn-primary,
.verify-buttons .btn-secondary {
    width: 100%;
}

.btn-link {
    background: transparent;
    border: none;
    color: var(--primary-color);
    font-size: 0.95rem;
    cursor: pointer;
    padding: var(--spacing-sm);
    text-decoration: underline;
}

.btn-link:hover {
    color: var(--text-color);
}

.verify-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: 0.9rem;
}

.verify-message.success {
    background: var(--success-bg);
    color: var(--success-text);
}

.verify-message.error {
    background: var(--warning-bg);
    color: var(--warning-text);
}

.verify-message.hidden {
    display: none;
}

/* ==========================================
   VERIFICATION BANNER
   ========================================== */

.verify-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    z-index: 1500;
    font-size: 0.9rem;
}

.verify-banner.hidden {
    display: none;
}

.verify-banner a {
    color: white;
    font-weight: 600;
    text-decoration: underline;
}

.verify-banner a:hover {
    opacity: 0.9;
}

.verify-banner button {
    background: transparent;
    border: none;
    color: white;
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0.8;
}

.verify-banner button:hover {
    opacity: 1;
}

/* ==========================================
   RESPONSIVE - MODAL
   ========================================== */

@media (max-width: 480px) {
    .modal-content {
        padding: var(--spacing-lg);
        margin: var(--spacing-md);
        width: calc(100% - var(--spacing-lg));
    }

    .modal-header h2 {
        font-size: 1.4rem;
    }

    .modal-logo {
        height: 40px;
    }
}