/* ============================================================
   Smart Translator Pro - Translation Tool Styles
   Based on Universal Indian Font Converter design
   ============================================================ */

/* ── 1. CSS Variables & Reset ────────────────────────────── */
:root {
    --uifc-blue:         #1a6fc4;
    --uifc-blue-light:   #e8f2fb;
    --uifc-blue-dark:    #104e8b;
    --uifc-purple:       #6d28d9;
    --uifc-purple-light: #f0ebff;
    --uifc-purple-dark:  #4c1d95;
    --uifc-green:        #16a34a;
    --uifc-green-dark:   #15803d;
    --uifc-red:          #dc2626;
    --uifc-red-dark:     #b91c1c;
    --uifc-orange:       #ea580c;
    --uifc-text:         #1e293b;
    --uifc-muted:        #64748b;
    --uifc-border:       #e2e8f0;
    --uifc-bg:           #f8fafc;
    --uifc-white:        #ffffff;
    --uifc-radius:       10px;
    --uifc-trans:        0.2s ease-in-out;
    --uifc-shadow-sm:    0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --uifc-shadow-md:    0 4px 12px rgba(0,0,0,.08), 0 2px 6px rgba(0,0,0,.05);
    --uifc-shadow-lg:    0 10px 30px rgba(0,0,0,.10), 0 4px 10px rgba(0,0,0,.06);
}

.stp-translator-wrapper *, .stp-translator-wrapper *::before, .stp-translator-wrapper *::after {
    box-sizing: border-box;
}

/* ── 2. Wrapper & Header ─────────────────────────────────── */
.stp-translator-wrapper {
    max-width: 1020px;
    margin: 30px auto;
    padding: 0;
    background: var(--uifc-bg);
    border-radius: 16px;
    box-shadow: var(--uifc-shadow-lg);
    font-family: 'Segoe UI', system-ui, -apple-system, Roboto, Arial, sans-serif;
    color: var(--uifc-text);
    overflow: hidden;
}

.stp-translator-header {
    background: linear-gradient(135deg, var(--uifc-blue) 0%, var(--uifc-purple) 100%);
    padding: 22px 30px;
    text-align: center;
}

.stp-translator-header h3 {
    color: #ffffff !important;
    margin: 0;
    font-size: 22px;
    font-weight: 700;
    letter-spacing: .3px;
    text-shadow: 0 1px 3px rgba(0,0,0,.25);
}

/* ── 3. Language Selector (Top) ─────────────────────────── */
.stp-lang-selector-wrap {
    background: var(--uifc-white);
    border-bottom: 2px solid var(--uifc-border);
    padding: 18px 28px;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.stp-lang-selector-wrap label {
    font-size: 13px;
    font-weight: 700;
    color: var(--uifc-blue-dark);
    text-transform: uppercase;
    letter-spacing: .6px;
    white-space: nowrap;
}
.stp-modern-select {
    appearance: none;
    -webkit-appearance: none;
    background: var(--uifc-white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24'%3E%3Cpath fill='%231a6fc4' d='M7 10l5 5 5-5z'/%3E%3C/svg%3E") no-repeat right 12px center;
    background-size: 18px;
    border: 2px solid var(--uifc-border);
    border-radius: 8px;
    padding: 9px 40px 9px 14px;
    font-size: 14px;
    font-weight: 600;
    color: var(--uifc-text);
    cursor: pointer;
    transition: all var(--uifc-trans);
    min-width: 220px;
}
.stp-modern-select:hover { border-color: var(--uifc-blue); }
.stp-modern-select:focus {
    outline: none;
    border-color: var(--uifc-blue);
    box-shadow: 0 0 0 3px rgba(26,111,196,.18);
}
.stp-lang-selector-wrap .stp-modern-select {
    flex: 1;
    max-width: 480px;
    font-size: 15px;
    padding: 10px 44px 10px 16px;
    border-radius: 10px;
    border-color: var(--uifc-blue);
    box-shadow: var(--uifc-shadow-sm);
}
.stp-swap-btn {
    background: #0073aa;
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 14px;
    cursor: pointer;
    font-size: 16px;
    transition: 0.2s;
}
.stp-swap-btn:hover {
    background: #005a87;
}

/* ── 4. Text Converter Section (Blue Accent) ─────────────── */
.stp-text-converter-section {
    padding: 36px 28px 20px;
    border-left: 5px solid var(--uifc-blue);
    background: linear-gradient(to right, var(--uifc-blue-light) 0%, var(--uifc-white) 55%);
    border-bottom: 1px dashed #b6d4f5;
    position: relative;
}
.stp-text-converter-section::before {
    content: "✦ Text Converter";
    position: absolute;
    top: 12px; 
    left: 50%;
    transform: translateX(-50%);
    font-size: 11px; font-weight: 800;
    text-transform: uppercase; letter-spacing: 1.2px;
    color: var(--uifc-blue); opacity: .65;
}
.stp-editor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 18px;
}

/* ── 5. Textarea Cards ───────────────────────────────────── */
.stp-card {
    background: var(--uifc-white);
    border: 1.5px solid var(--uifc-border);
    border-top: 3px solid var(--uifc-blue);
    border-radius: var(--uifc-radius);
    box-shadow: var(--uifc-shadow-sm);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}
.stp-card:hover { box-shadow: var(--uifc-shadow-md); }
.stp-card:last-child { border-top-color: var(--uifc-orange); }

.stp-card-header {
    background: linear-gradient(90deg, #f1f8ff 0%, var(--uifc-bg) 100%);
    padding: 11px 15px;
    font-size: 13px; font-weight: 700;
    color: var(--uifc-blue-dark);
    border-bottom: 1px solid var(--uifc-border);
    display: flex;
    align-items: center;
    gap: 7px;
}
.stp-card:last-child .stp-card-header {
    background: linear-gradient(90deg, #fff8f5 0%, var(--uifc-bg) 100%);
    color: var(--uifc-orange);
}
.stp-card textarea {
    width: 100%; height: 240px;
    padding: 14px 16px; border: none;
    resize: vertical; font-size: 16px; line-height: 1.7;
    color: var(--uifc-text); background: #fdfdfd;
}
.stp-card textarea:focus { outline: none; background: var(--uifc-white); }

/* ── 6. Buttons ──────────────────────────────────────────── */
.stp-button-group {
    padding: 10px 12px; background: var(--uifc-bg);
    display: flex; flex-wrap: wrap; gap: 8px;
    border-top: 1px solid var(--uifc-border);
}
.stp-btn {
    padding: 7px 14px; border: none; border-radius: 6px;
    cursor: pointer; font-size: 13px; font-weight: 600;
    display: inline-flex; align-items: center; gap: 5px;
    transition: all var(--uifc-trans);
}
.stp-btn:active { transform: scale(.96); }
.stp-btn-translate {
    background: linear-gradient(135deg, var(--uifc-blue) 0%, #2563eb 100%);
    color: #fff;
    box-shadow: 0 2px 6px rgba(26,111,196,.35);
}
.stp-btn-translate:hover {
    background: linear-gradient(135deg, var(--uifc-blue-dark) 0%, #1d4ed8 100%);
}
.stp-btn-copy {
    background: linear-gradient(135deg, var(--uifc-green) 0%, var(--uifc-green-dark) 100%);
    color: #fff;
}
.stp-btn-copy:hover {
    background: linear-gradient(135deg, var(--uifc-green-dark) 0%, #14532d 100%);
}
.stp-btn-clear {
    background: linear-gradient(135deg, var(--uifc-red) 0%, var(--uifc-red-dark) 100%);
    color: #fff;
}
.stp-btn-clear:hover {
    background: linear-gradient(135deg, var(--uifc-red-dark) 0%, #991b1b 100%);
}

/* ── 7. Message & Spinner ────────────────────────────────── */
.stp-switcher-message {
    margin-top: 12px;
    font-size: 13px;
    padding: 6px;
    display: none;
}
.stp-switcher-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #0073aa;
    border-radius: 50%;
    animation: stp-spin 0.8s linear infinite;
    display: inline-block;
}
@keyframes stp-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ── 8. Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
    .stp-editor-grid { grid-template-columns: 1fr; }
    .stp-lang-selector-wrap { flex-direction: column; align-items: stretch; }
    .stp-lang-selector-wrap .stp-modern-select { max-width: 100%; }
}
@media (max-width: 576px) {
    .stp-text-converter-section { padding: 20px 10px 16px; }
    .stp-button-group { flex-wrap: nowrap; gap: 5px; }
    .stp-btn { flex: 1; justify-content: center; padding: 7px 5px; font-size: 11px; white-space: nowrap; }
    .stp-text-converter-section::before { display: none; }
    .stp-translator-header { padding: 16px 20px; }
}