/* ==========================================================================
   سامانه استعلام اصالت کالا - دنیای کالای سینا
   استایل صفحه عمومی
   ========================================================================== */

/* فونت‌های وزیرمتن (لوکال) */
@font-face {
    font-family: 'Vazirmatn';
    src: url('../fonts/Vazirmatn-Light.woff2') format('woff2');
    font-weight: 300;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('../fonts/Vazirmatn-Regular.woff2') format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('../fonts/Vazirmatn-Medium.woff2') format('woff2');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}
@font-face {
    font-family: 'Vazirmatn';
    src: url('../fonts/Vazirmatn-Bold.woff2') format('woff2');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* ---------- متغیرها ---------- */
:root {
    --color-primary: #243b7a;
    --color-primary-dark: #1a2c5c;
    --color-primary-light: #e8eef7;
    --color-success: #16a34a;
    --color-success-light: #ecfdf5;
    --color-danger: #dc2626;
    --color-danger-light: #fef2f2;
    --color-warning: #d97706;
    --color-warning-light: #fff7ed;
    --color-info: #2563eb;
    --color-info-light: #eff6ff;

    --color-text: #1f2937;
    --color-text-muted: #6b7280;
    --color-bg: #f5f7fa;
    --color-card: #ffffff;
    --color-border: #e5e7eb;

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15,23,42,0.03);
    --shadow-lg: 0 25px 60px -15px rgba(36, 59, 122, 0.18), 0 8px 20px -10px rgba(36, 59, 122, 0.08);

    --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- ریست ---------- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: 'Vazirmatn', Tahoma, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
    background-image:
        radial-gradient(circle at 20% 0%, rgba(36, 59, 122, 0.08), transparent 50%),
        radial-gradient(circle at 80% 100%, rgba(37, 99, 235, 0.05), transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition);
}
a:hover { color: var(--color-primary-dark); }

img, svg { max-width: 100%; vertical-align: middle; }
svg { display: inline-block; }

.visually-hidden {
    position: absolute !important;
    width: 1px; height: 1px;
    padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0);
    white-space: nowrap; border: 0;
}

/* ---------- لایه‌بندی کلی ---------- */
.container {
    width: 100%;
    max-width: 980px;
    margin: 0 auto;
    padding: 0 16px;
}

/* ---------- هدر ---------- */
.site-header {
    padding: 18px 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(12px);
    -webkit-backdrop-filter: saturate(180%) blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text);
    font-weight: 700;
}

.brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.brand-icon svg { width: 22px; height: 22px; }
.brand-name { font-size: 17px; }

.site-nav a {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* ---------- محتوای اصلی ---------- */
.main {
    padding: 40px 0 60px;
}

/* ---------- کارت استعلام ---------- */
.verify-card {
    background: var(--color-card);
    border-radius: var(--radius-xl);
    padding: 36px 28px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(36, 59, 122, 0.08);
    position: relative;
    overflow: hidden;
}

.verify-card::before {
    content: '';
    position: absolute;
    top: 0; right: 0; left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), #60a5fa, var(--color-primary));
}

.verify-card__head { text-align: center; margin-bottom: 28px; }

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--color-primary-light);
    color: var(--color-primary-dark);
    border-radius: 999px;
    font-size: 12.5px;
    font-weight: 500;
    margin-bottom: 16px;
}
.badge svg { width: 14px; height: 14px; }

.verify-card h1 {
    margin: 0 0 10px;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

.lead {
    margin: 0 auto;
    max-width: 580px;
    color: var(--color-text-muted);
    font-size: 15px;
    line-height: 1.85;
}

/* ---------- فرم ---------- */
.verify-form {
    max-width: 560px;
    margin: 0 auto;
}

.input-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

#codeInput {
    flex: 1 1 240px;
    height: 56px;
    min-height: 56px;
    max-height: 56px;
    padding: 0 18px;
    font-size: 16px;
    line-height: 1.4;
    font-family: inherit;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    background: #fff;
    color: var(--color-text);
    transition: border-color var(--transition), box-shadow var(--transition);
    direction: ltr;
    text-align: center;
    letter-spacing: 0.5px;
    box-sizing: border-box;
    display: block;
    /* جلوگیری از تبدیل به textarea توسط استایل‌های احتمالی تم اصلی سایت */
    resize: none;
    overflow: hidden;
    -webkit-appearance: none;
    appearance: none;
}

#codeInput::placeholder {
    color: #9ca3af;
    font-family: 'Vazirmatn', Tahoma, sans-serif;
    letter-spacing: 0;
}

#codeInput:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(36, 59, 122, 0.12);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    font-size: 15px;
    font-family: inherit;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: transform var(--transition), background var(--transition), box-shadow var(--transition);
    user-select: none;
    -webkit-user-select: none;
    position: relative;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: #fff;
    box-shadow: 0 6px 18px -8px rgba(36, 59, 122, 0.5);
    min-width: 170px;
}

.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 10px 24px -10px rgba(36, 59, 122, 0.65); }
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.85; cursor: progress; transform: none; }

.btn-loader {
    width: 18px; height: 18px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    display: none;
    animation: spin 0.7s linear infinite;
}
.btn.is-loading .btn-label { opacity: 0.5; }
.btn.is-loading .btn-loader { display: inline-block; }

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

.hint {
    margin: 12px 4px 0;
    font-size: 12.5px;
    color: var(--color-text-muted);
    text-align: center;
}

/* ---------- نتیجه ---------- */
.result-box {
    margin: 28px auto 0;
    max-width: 620px;
    border-radius: var(--radius-lg);
    padding: 0;
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: opacity 0.4s ease, max-height 0.4s ease, padding 0.3s ease;
}

.result-box.is-visible {
    opacity: 1;
    max-height: 600px;
    padding: 24px;
}

.result-box.success {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border: 1px solid #a7f3d0;
}
.result-box.error {
    background: linear-gradient(135deg, #fef2f2, #fee2e2);
    border: 1px solid #fecaca;
}
.result-box.warning {
    background: linear-gradient(135deg, #fff7ed, #fed7aa);
    border: 1px solid #fdba74;
}

.result-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 10px;
}

.result-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    animation: popIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.result-icon svg { width: 30px; height: 30px; stroke-width: 2.5; }

.success .result-icon { background: var(--color-success); color: #fff; }
.error .result-icon { background: var(--color-danger); color: #fff; }
.warning .result-icon { background: var(--color-warning); color: #fff; }

@keyframes popIn {
    0%   { transform: scale(0); opacity: 0; }
    60%  { transform: scale(1.15); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

.result-title {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
}
.success .result-title { color: #065f46; }
.error .result-title { color: #991b1b; }
.warning .result-title { color: #9a3412; }

.result-body p {
    margin: 8px 0 0;
    line-height: 1.85;
    color: rgba(0,0,0,0.7);
    font-size: 14.5px;
}

.product-details {
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px dashed rgba(0,0,0,0.12);
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 14px;
}

.detail-item {
    background: rgba(255,255,255,0.6);
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(0,0,0,0.05);
}
.detail-label {
    display: block;
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 4px;
}
.detail-value {
    font-weight: 600;
    font-size: 14.5px;
    color: var(--color-text);
    word-break: break-word;
}
.detail-value.code-val { direction: ltr; text-align: right; }

/* ---------- پشتیبانی ---------- */
.support-note {
    margin: 28px auto 0;
    max-width: 620px;
    padding: 16px 18px;
    background: var(--color-info-light);
    border-radius: var(--radius-md);
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 13.5px;
    line-height: 1.8;
    color: #1e3a8a;
}
.support-note svg { width: 22px; height: 22px; flex-shrink: 0; margin-top: 2px; color: var(--color-info); }
.support-note a { font-weight: 500; color: var(--color-info); }
.support-note .sep { margin: 0 8px; opacity: 0.5; }

/* ---------- اطلاعات تکمیلی ---------- */
.info-grid {
    margin-top: 36px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
}

.info-item {
    background: var(--color-card);
    padding: 22px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    text-align: center;
    transition: transform var(--transition), box-shadow var(--transition);
}
.info-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.info-icon {
    width: 48px; height: 48px;
    margin: 0 auto 12px;
    border-radius: 14px;
    background: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}
.info-icon svg { width: 24px; height: 24px; }

.info-item h3 {
    margin: 0 0 6px;
    font-size: 16px;
    font-weight: 600;
}
.info-item p {
    margin: 0;
    font-size: 13.5px;
    color: var(--color-text-muted);
    line-height: 1.8;
}

/* ---------- فوتر ---------- */
.site-footer {
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: var(--color-text-muted);
    border-top: 1px solid var(--color-border);
    background: rgba(255,255,255,0.6);
    margin-top: 40px;
}
.site-footer p { margin: 0; }

/* ---------- ریسپانسیو ---------- */
@media (max-width: 640px) {
    .main { padding: 24px 0 40px; }
    .verify-card { padding: 28px 18px; border-radius: var(--radius-lg); }
    .verify-card h1 { font-size: 22px; }
    .lead { font-size: 14px; }

    .input-group {
        flex-direction: column;
        align-items: stretch;
    }
    #codeInput {
        width: 100%;
        height: 52px;
        min-height: 52px;
        max-height: 52px;
        padding: 0 16px;
        font-size: 16px;
        line-height: 1.4;
    }
    .btn-primary { width: 100%; padding: 14px; }

    .brand-name { font-size: 15px; }
    .site-nav a { font-size: 13px; }
    .info-grid { gap: 12px; margin-top: 24px; }
    .info-item { padding: 18px 16px; }
    .result-box.is-visible { padding: 18px; }
    .result-icon { width: 48px; height: 48px; }
    .result-icon svg { width: 24px; height: 24px; }
    .result-title { font-size: 16px; }
}

@media (max-width: 380px) {
    .verify-card h1 { font-size: 20px; }
    .brand-name { display: none; }
}