/* ==========================================================================
   1. GLOBAL EXPERTWEBTOOLS BASE STYLES
   ========================================================================== */

/* --- Fonts --- */
@font-face { font-family: 'Inter';       src: url('/fonts/inter-v20-latin-regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Inter';       src: url('/fonts/inter-v20-latin-600.woff2')     format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Orbitron';    src: url('/fonts/orbitron-v35-latin-700.woff2')  format('woff2'); font-weight: 700; font-display: swap; }
@font-face { font-family: 'Roboto Mono'; src: url('/fonts/roboto-mono-v31-latin-regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }

/* --- Theme Variables --- */
:root[data-theme="dark"] {
    --bg-dark:            #0a0a0f;
    --primary-accent:     #3b82f6;
    --secondary-accent:   #8b5cf6;
    --text-main:          #ffffff;
    --text-muted:         #94a3b8;
    --card-bg:            rgba(25, 25, 35, 0.6);
    --card-border:        rgba(255, 255, 255, 0.08);
    --syntax-name:        #e0e0e0;
    --syntax-ttl:         #10b981;
    --syntax-type:        #3b82f6;
    --syntax-data:        #f59e0b;
    --success-color:      #10b981;
    --fail-color:         #ef4444;
    --warn-color:         #f59e0b;
    --input-bg:           rgba(255, 255, 255, 0.05);
    --results-bg:         #000000;
}

:root[data-theme="light"] {
    --bg-dark:            #f8fafc;
    --primary-accent:     #2563eb;
    --secondary-accent:   #7c3aed;
    --text-main:          #0f172a;
    --text-muted:         #475569;
    --card-bg:            #ffffff;
    --card-border:        #cbd5e1;
    --syntax-name:        #334155;
    --syntax-ttl:         #059669;
    --syntax-type:        #2563eb;
    --syntax-data:        #d97706;
    --success-color:      #059669;
    --fail-color:         #dc2626;
    --warn-color:         #d97706;
    --input-bg:           #f1f5f9;
    --results-bg:         #f8fafc;
}

:root {
    --font-heading:       'Orbitron', sans-serif;
    --font-body:          'Inter', sans-serif;
    --font-code:          'Roboto Mono', monospace;
}

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

html, body {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s, color 0.3s;
}

/* --- Skip link & Accessibility --- */
.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

:focus-visible { outline: 2px solid var(--primary-accent); outline-offset: 3px; border-radius: 4px; }

.background-glow {
    position: fixed;
    top: -50%; left: -50%;
    width: 200%; height: 200%;
    background: radial-gradient(circle at top center, rgba(59, 130, 246, 0.1) 0%, rgba(10, 10, 15, 0) 60%);
    z-index: -1;
    pointer-events: none;
}

/* --- Theme Toggle & Header --- */
.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.back-btn { color: var(--text-muted); text-decoration: none; font-size: 0.95rem; display: flex; align-items: center; gap: 8px; transition: color 0.3s; border-radius: 4px; padding: 2px 4px; }
.back-btn:hover { color: var(--primary-accent); }
.logo { font-family: var(--font-heading); font-size: 1.2rem; letter-spacing: 1px; flex-grow: 1; text-align: center; }
@media (min-width: 768px) { .logo { text-align: left; margin-left: 20px; } }
.logo span { color: var(--primary-accent); }

.theme-toggle { 
    background: transparent; border: 1px solid var(--card-border); color: var(--text-main); 
    padding: 8px 12px; border-radius: 8px; cursor: pointer; transition: 0.3s; 
    display: flex; align-items: center; gap: 8px; font-size: 0.9rem; font-family: var(--font-body); 
}
.theme-toggle:hover { border-color: var(--primary-accent); color: var(--primary-accent); }

/* --- Main Structure & Intro --- */
.main-content {
    flex-grow: 1;
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.tool-intro { text-align: center; margin-bottom: 2rem; }
.tool-intro h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, var(--primary-accent), var(--secondary-accent));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}
:root[data-theme="light"] .tool-intro h1 { color: var(--text-main); background: none; -webkit-background-clip: initial; background-clip: initial; }
.tool-intro p { color: var(--text-muted); }

/* Global Toast */
.toast {
    position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: #1e1e24;
    border: 1px solid var(--primary-accent); color: #fff; padding: 10px 20px; border-radius: 8px;
    z-index: 2000; font-family: var(--font-body); font-size: 0.9rem; box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
    transition: opacity 0.3s; white-space: nowrap;
}
.toast.hidden { opacity: 0; pointer-events: none; }


/* ==========================================================================
   2. IMAGE TO TEXT (OCR) SPECIFIC STYLES
   ========================================================================== */

.ocr-container {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 1200px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.privacy-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 1rem;
    background: rgba(16, 185, 129, 0.15);
    color: var(--success-color);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.ocr-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

/* Dropzone */
.ocr-dropzone {
    border: 2px dashed var(--card-border);
    border-radius: 12px;
    background: var(--input-bg);
    min-height: 220px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    padding: 1rem;
}

.ocr-dropzone:hover, .ocr-dropzone:focus-visible, .ocr-dropzone.dragover {
    border-color: var(--primary-accent);
    background: rgba(59, 130, 246, 0.05);
}

.dropzone-content i { font-size: 3rem; color: var(--primary-accent); margin-bottom: 1rem; }
.dropzone-title { display: block; font-weight: 600; font-size: 1.1rem; color: var(--text-main); margin-bottom: 0.5rem; }
.dropzone-sub { font-size: 0.8rem; color: var(--text-muted); }

.preview-container {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
}
.preview-container img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}
.preview-overlay {
    position: absolute;
    top: 10px; right: 10px;
}
.hidden { display: none !important; }

/* Settings */
.ocr-settings { margin-top: 1.5rem; display: flex; flex-direction: column; gap: 1.2rem; }
.settings-group label { display: block; color: var(--text-main); font-weight: 600; font-size: 0.9rem; margin-bottom: 0.5rem; }
.settings-group label i { color: var(--primary-accent); margin-right: 6px; }

.ocr-select {
    width: 100%;
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    color: var(--text-main);
    padding: 10px;
    border-radius: 8px;
    font-family: var(--font-body);
    outline: none;
    transition: 0.3s;
}
.ocr-select:focus { border-color: var(--primary-accent); }
.ocr-select option { background: var(--bg-dark); color: var(--text-main); }

.lang-selector-box {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 10px;
    max-height: 180px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.lang-selector-box label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 400;
    font-size: 0.85rem;
    cursor: pointer;
    margin: 0;
}
.lang-checkbox { accent-color: var(--primary-accent); width: 16px; height: 16px; cursor: pointer; }

/* Main Area */
.ocr-main-area { display: flex; flex-direction: column; }

.result-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    padding: 0 5px;
    flex-wrap: wrap;
    gap: 10px;
}
.result-stats { font-size: 0.85rem; color: var(--text-muted); font-family: var(--font-code); }
.result-actions { display: flex; gap: 10px; }

.result-textarea {
    flex-grow: 1;
    min-height: 400px;
    background: var(--results-bg);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1.5rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    outline: none;
    transition: 0.3s;
}
.result-textarea:focus { border-color: var(--primary-accent); }

/* Progress Bar */
.ocr-progress-wrapper {
    background: var(--input-bg);
    border: 1px solid var(--card-border);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}
.progress-status { font-size: 0.85rem; color: var(--text-main); margin-bottom: 8px; font-family: var(--font-code); font-weight: bold; }
.progress-track { width: 100%; height: 8px; background: rgba(255,255,255,0.1); border-radius: 4px; overflow: hidden; }
:root[data-theme="light"] .progress-track { background: rgba(0,0,0,0.1); }
.progress-bar { width: 0%; height: 100%; background: var(--primary-accent); transition: width 0.2s ease-out; }

/* Buttons */
.primary-btn {
    background: var(--primary-accent); color: #fff; border: none; padding: 12px; border-radius: 8px;
    font-weight: 700; cursor: pointer; transition: 0.2s; width: 100%;
}
.primary-btn:hover:not(:disabled) { filter: brightness(1.15); transform: translateY(-1px); }
.primary-btn:disabled { opacity: 0.5; cursor: not-allowed; filter: grayscale(1); }

.secondary-btn {
    background: transparent; border: 1px solid var(--card-border); color: var(--text-muted);
    padding: 6px 12px; border-radius: 6px; font-size: 0.85rem; cursor: pointer; transition: 0.2s;
}
.secondary-btn:hover:not(:disabled) { border-color: var(--primary-accent); color: var(--primary-accent); }
.secondary-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.danger-btn { background: rgba(239, 68, 68, 0.15); color: var(--fail-color); border: 1px solid rgba(239, 68, 68, 0.3); padding: 6px 12px; border-radius: 6px; cursor: pointer; transition: 0.2s; font-size: 0.85rem; }
.danger-btn:hover { background: var(--fail-color); color: #fff; }

@media (max-width: 900px) {
    .ocr-grid { grid-template-columns: 1fr; gap: 1.5rem; }
    .result-textarea { min-height: 300px; }
}