/* ================================================================
   مولد QR Code — تصميم فاخر داكن
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@300;400;500;600;700;800;900&display=swap');

/* ==================== متغيرات الثيم ==================== */
:root {
    /* خلفيات */
    --bg-base:      #080810;
    --bg-surface:   #0f0f1a;
    --bg-card:      #13131f;
    --bg-input:     #0a0a15;
    --bg-hover:     #1a1a2a;

    /* الحدود */
    --border:       rgba(255,255,255,0.06);
    --border-md:    rgba(255,255,255,0.10);
    --border-gold:  rgba(212,168,67,0.35);

    /* الذهبي */
    --gold-1: #f5d27a;
    --gold-2: #d4a843;
    --gold-3: #a87820;
    --gold-4: #6b4d10;
    --gold-glow: rgba(212, 168, 67, 0.18);

    /* النصوص */
    --text-1: #f2efea;
    --text-2: #8a8696;
    --text-3: #4a4655;

    /* الأخضر للـ live */
    --green: #3ddc84;
    --green-bg: rgba(61, 220, 132, 0.08);
    --green-border: rgba(61, 220, 132, 0.25);

    /* الخطأ */
    --red: #e05555;
    --red-bg: rgba(224, 85, 85, 0.08);
    --red-border: rgba(224, 85, 85, 0.25);

    /* الزوايا */
    --r-sm:  8px;
    --r-md:  14px;
    --r-lg:  20px;
    --r-xl:  28px;

    /* الانتقالات */
    --ease: cubic-bezier(.4, 0, .2, 1);
    --t:    0.22s;
}

/* ==================== الإعداد العام ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { direction: rtl; scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Cairo', 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-base);
    color: var(--text-1);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    background-image:
        radial-gradient(ellipse 80% 50% at 15% 0%,   rgba(120,80,255,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 85% 100%,  rgba(212,168,67,0.07) 0%, transparent 60%),
        radial-gradient(ellipse 50% 60% at 50% 50%,   rgba(255,255,255,0.01) 0%, transparent 80%);
}

/* ==================== حاوية الصفحة ==================== */
.page-wrapper {
    max-width: 1080px;
    margin: 0 auto;
    padding: 48px 24px 100px;
}

/* ==================== الترويسة ==================== */
.page-header {
    margin-bottom: 56px;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    direction: rtl;
}

/* ——— النص: الاسم + التفاصيل على اليمين ——— */
.header-text {
    text-align: right;
    flex: 1;
}

.page-title {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 900;
    letter-spacing: -1px;
    line-height: 1.1;
    margin-bottom: 10px;
    background: linear-gradient(160deg, var(--gold-1) 0%, var(--gold-2) 45%, var(--gold-3) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-subtitle {
    font-size: 1rem;
    color: var(--text-2);
    font-weight: 400;
}

/* ——— اللوجو: الصورة على اليسار ——— */
.header-logo-wrap {
    position: relative;
    width: 180px;
    height: 180px;
    flex-shrink: 0;
}

.header-logo-ring {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    background: conic-gradient(
        var(--gold-1) 0%, var(--gold-2) 25%,
        var(--gold-3) 50%, var(--gold-2) 75%, var(--gold-1) 100%
    );
    z-index: 0;
    animation: spin-ring 8s linear infinite;
}

@keyframes spin-ring {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

.header-logo-img {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    border-radius: 50%;
    border: 3px solid var(--bg-1);
    display: block;
}

/* شريط ذهبي */
.gold-bar {
    height: 1px;
    background: linear-gradient(to left, transparent 0%, var(--gold-3) 30%, var(--gold-2) 50%, var(--gold-3) 70%, transparent 100%);
    margin-bottom: 48px;
    opacity: 0.5;
}

/* ==================== الشبكة ==================== */
.main-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    align-items: start;
}

@media (max-width: 840px) {
    .main-grid { grid-template-columns: 1fr; }
}

/* ==================== البطاقة الأساسية ==================== */
.card {
    background: var(--bg-card);
    border-radius: var(--r-xl);
    border: 1px solid var(--border);
    padding: 28px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.04) inset;
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
    margin-bottom: 20px;
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(to left, transparent, rgba(255,255,255,0.1), transparent);
    pointer-events: none;
}

.card:hover {
    border-color: var(--border-gold);
    box-shadow: 0 4px 24px rgba(0,0,0,0.4), 0 0 40px rgba(212,168,67,0.06), 0 1px 0 rgba(255,255,255,0.04) inset;
}

/* عنوان البطاقة */
.card-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.card-title-icon {
    width: 28px;
    height: 28px;
    background: var(--gold-glow);
    border: 1px solid var(--border-gold);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    flex-shrink: 0;
}

/* ==================== النموذج ==================== */
.form-group { margin-bottom: 20px; }

.form-label {
    display: block;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-bottom: 8px;
}

/* حقل النص */
.form-control {
    width: 100%;
    background: var(--bg-input);
    border: 1.5px solid var(--border-md);
    border-radius: var(--r-md);
    padding: 13px 16px;
    color: var(--text-1);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    outline: none;
    direction: ltr;
    text-align: left;
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease), background var(--t) var(--ease);
}

.form-control:focus {
    border-color: var(--gold-2);
    background: var(--bg-surface);
    box-shadow: 0 0 0 3px var(--gold-glow);
}

.form-control::placeholder { color: var(--text-3); }

/* ==================== منتقيات الألوان ==================== */
.color-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-input);
    border: 1.5px solid var(--border-md);
    border-radius: var(--r-md);
    padding: 10px 14px;
    cursor: pointer;
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
    position: relative;
}

.color-picker-wrapper:hover,
.color-picker-wrapper:focus-within {
    border-color: var(--gold-2);
    box-shadow: 0 0 0 3px var(--gold-glow);
}

/* السواتش الملون */
.color-swatch {
    width: 38px;
    height: 38px;
    border-radius: var(--r-sm);
    border: 2px solid rgba(255,255,255,0.12);
    flex-shrink: 0;
    transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.color-picker-wrapper:hover .color-swatch {
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}

/* إخفاء الـ input الأصلي */
input[type="color"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.color-info { flex: 1; min-width: 0; }

.color-label-small {
    display: block;
    font-size: 0.72rem;
    color: var(--text-3);
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 2px;
    text-transform: uppercase;
}

.color-value {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--text-2);
    font-family: 'Courier New', monospace;
    direction: ltr;
}

/* ==================== رفع الملفات ==================== */
.file-upload-area {
    border: 2px dashed var(--border-md);
    border-radius: var(--r-md);
    padding: 22px 16px;
    text-align: center;
    cursor: pointer;
    position: relative;
    background: var(--bg-input);
    transition: border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.file-upload-area:hover,
.file-upload-area.drag-over {
    border-color: var(--gold-2);
    background: rgba(212,168,67,0.04);
}

.file-upload-area input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.file-upload-icon {
    font-size: 28px;
    margin-bottom: 8px;
    opacity: 0.5;
}

.file-upload-text {
    font-size: 0.88rem;
    color: var(--text-2);
    margin-bottom: 4px;
    font-weight: 600;
}

.file-upload-hint {
    font-size: 0.75rem;
    color: var(--text-3);
}

.file-preview {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    background: rgba(212,168,67,0.06);
    border-radius: var(--r-sm);
    border: 1px solid var(--border-gold);
    margin-top: 10px;
}

.file-preview.visible { display: flex; }

.file-preview img {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 6px;
    background: var(--bg-surface);
}

.file-preview-name {
    font-size: 0.82rem;
    color: var(--gold-1);
    font-weight: 600;
}

/* ==================== شريط الحجم ==================== */
.slider-wrapper {
    display: flex;
    align-items: center;
    gap: 14px;
}

.slider-control {
    flex: 1;
    -webkit-appearance: none;
    height: 5px;
    border-radius: 3px;
    outline: none;
    cursor: pointer;
    direction: ltr;
    background: linear-gradient(to right,
        var(--gold-2) var(--slider-percent, 30%),
        rgba(255,255,255,0.1) var(--slider-percent, 30%)
    );
}

.slider-control::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gold-1), var(--gold-2));
    cursor: pointer;
    border: 2px solid var(--bg-card);
    box-shadow: 0 2px 10px rgba(212,168,67,0.45);
    transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.slider-control::-webkit-slider-thumb:hover {
    transform: scale(1.25);
    box-shadow: 0 4px 18px rgba(212,168,67,0.65);
}

.slider-value {
    min-width: 46px;
    text-align: center;
    font-weight: 800;
    font-size: 0.9rem;
    color: var(--gold-2);
    background: var(--gold-glow);
    border: 1px solid var(--border-gold);
    padding: 4px 8px;
    border-radius: var(--r-sm);
}

/* ==================== زر التوليد ==================== */
.btn-generate {
    width: 100%;
    padding: 16px 24px;
    border: none;
    border-radius: var(--r-md);
    background: linear-gradient(135deg, var(--gold-2) 0%, var(--gold-3) 100%);
    color: #1a0e00;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 900;
    letter-spacing: 0.5px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    margin-top: 8px;
    transition: transform var(--t) var(--ease), box-shadow var(--t) var(--ease), opacity var(--t) var(--ease);
    box-shadow: 0 4px 20px rgba(212,168,67,0.3), 0 1px 0 rgba(255,255,255,0.25) inset;
}

.btn-generate::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.18), transparent);
    transition: left 0.5s var(--ease);
}

.btn-generate:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(212,168,67,0.45), 0 1px 0 rgba(255,255,255,0.25) inset;
}

.btn-generate:hover::before { left: 100%; }

.btn-generate:active { transform: translateY(0); }

.btn-generate:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.btn-icon { margin-left: 8px; }

/* spinner داخل الزر */
.loading-spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(26,14,0,0.3);
    border-top-color: #1a0e00;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto;
}

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

/* ==================== رسائل الخطأ ==================== */
.error-box {
    background: var(--red-bg);
    border: 1px solid var(--red-border);
    border-radius: var(--r-md);
    padding: 14px 18px;
    color: #f08888;
    font-size: 0.88rem;
    margin-bottom: 18px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    transition: opacity var(--t) var(--ease);
}

.error-icon { font-size: 1rem; flex-shrink: 0; margin-top: 2px; }

.error-list { list-style: none; }
.error-list li::before { content: '◆ '; color: var(--red); font-size: 0.7rem; }

/* ==================== بطاقة النتيجة ==================== */
.result-card {
    background: var(--bg-card);
    border-radius: var(--r-xl);
    border: 1px solid var(--border);
    padding: 28px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.4), 0 1px 0 rgba(255,255,255,0.04) inset;
    position: sticky;
    top: 20px;
    text-align: center;
    overflow: hidden;
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease);
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(to left, transparent, rgba(255,255,255,0.08), transparent);
    pointer-events: none;
}

/* ==================== قسم المعاينة الحية ==================== */
.live-section { position: relative; }

/* شارة "معاينة مباشرة" */
.live-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    background: var(--green-bg);
    border: 1px solid var(--green-border);
    border-radius: 30px;
    padding: 5px 14px;
    font-size: 0.74rem;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 20px;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

/* النقطة النابضة */
.live-dot {
    width: 7px;
    height: 7px;
    background: var(--green);
    border-radius: 50%;
    animation: pulse-dot 2s ease infinite;
    box-shadow: 0 0 0 0 rgba(61,220,132,0.4);
}

@keyframes pulse-dot {
    0%   { box-shadow: 0 0 0 0   rgba(61,220,132,0.45); }
    60%  { box-shadow: 0 0 0 8px rgba(61,220,132,0); }
    100% { box-shadow: 0 0 0 0   rgba(61,220,132,0); }
}

/* ==================== صورة QR ==================== */
.qr-output-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.qr-output-img {
    max-width: 270px;
    width: 100%;
    border-radius: var(--r-md);
    border: 1px solid var(--border-md);
    display: block;
    box-shadow: 0 12px 40px rgba(0,0,0,0.6), 0 0 0 1px rgba(255,255,255,0.03);
    animation: qr-appear 0.3s var(--ease) both;
}

@keyframes qr-appear {
    from { opacity: 0; transform: scale(0.96); }
    to   { opacity: 1; transform: scale(1); }
}

/* ==================== skeleton تحميل ==================== */
.live-spinner-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.qr-skeleton {
    width: 270px;
    height: 270px;
    border-radius: var(--r-md);
    background: linear-gradient(
        90deg,
        var(--bg-input) 25%,
        rgba(255,255,255,0.04) 50%,
        var(--bg-input) 75%
    );
    background-size: 200% 100%;
    animation: shimmer 1.2s infinite;
}

@keyframes shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ==================== الحالة الفارغة ==================== */
.result-empty {
    padding: 32px 20px;
    flex-direction: column;
    align-items: center;
}

.result-empty-icon {
    font-size: 56px;
    opacity: 0.1;
    margin-bottom: 14px;
    display: block;
    filter: grayscale(1);
}

.result-empty-text {
    color: var(--text-3);
    font-size: 0.9rem;
    line-height: 1.7;
}

/* ==================== فاصل + النتيجة النهائية ==================== */
.final-section {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.final-separator {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
}

.final-separator span {
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--gold-2);
    background: var(--bg-card);
    padding: 0 14px;
    position: relative;
    z-index: 1;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.final-separator::before {
    content: '';
    position: absolute;
    top: 50%; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(to left, transparent, var(--border-gold), transparent);
    transform: translateY(-50%);
}

/* URL المولَّد */
.qr-output-url {
    font-size: 0.78rem;
    color: var(--text-3);
    direction: ltr;
    text-align: left;
    word-break: break-all;
    margin-bottom: 18px;
    padding: 8px 12px;
    background: var(--bg-input);
    border-radius: var(--r-sm);
    border: 1px solid var(--border);
    font-family: 'Courier New', monospace;
}

/* ==================== زر التنزيل ==================== */
.btn-download {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 24px;
    background: transparent;
    border: 1.5px solid var(--border-gold);
    border-radius: var(--r-md);
    color: var(--gold-2);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--t) var(--ease);
    letter-spacing: 0.3px;
}

.btn-download:hover {
    background: var(--gold-glow);
    border-color: var(--gold-1);
    color: var(--gold-1);
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(212,168,67,0.15);
}

/* ==================== التذييل ==================== */
.page-footer {
    text-align: center;
    margin-top: 70px;
    color: var(--text-3);
    font-size: 0.78rem;
    letter-spacing: 0.5px;
}

/* ==================== تأثيرات الدخول ==================== */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.card        { animation: fadeUp 0.4s var(--ease) both; }
.result-card { animation: fadeUp 0.4s var(--ease) 0.08s both; }

/* ==================== متجاوب ==================== */
@media (max-width: 600px) {
    .page-wrapper { padding: 24px 14px 60px; }
    .card, .result-card { padding: 20px; border-radius: var(--r-lg); }
    .color-grid { grid-template-columns: 1fr; }
    .page-title { font-size: 1.7rem; }
    .result-card { position: static; }

    .header-inner {
        gap: 16px;
    }

    .header-logo-wrap {
        width: 130px;
        height: 130px;
    }
}