/* styles.css
   طراحی: راست‌به‌چپ، مدرن و خوانا برای صفحه‌ی مقایسه PDF -> Excel
*/

@font-face {
    font-family: Vazir;
    src: url('../font/Vazir.ttf') format('truetype');
}

* {
    font-family: Vazir, Number, sans-serif;
}

:root {
    --bg: #f6f7fb;
    --card: #ffffff;
    --muted: #6b7280;
    --accent: #2563eb;
    /* آبی */
    --accent-2: #06b6d4;
    /* تیفانی */
    --success: #16a34a;
    --danger: #dc2626;
    --shadow: 0 6px 18px rgba(20, 23, 42, 0.06);
    --radius: 12px;
    --glass: rgba(255, 255, 255, 0.6);
    font-family: Vazir, "Segoe UI", Tahoma, "Helvetica Neue", Arial, sans-serif;
}

/* پایه */
html,
body {
    margin: 0;
    background: linear-gradient(180deg, var(--bg), #eef2ff 120%);
    direction: rtl;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: #0f172a;
    font-size: 14px;
}

html {
    min-height: 100vh;
}

/* مرکز صفحه */
.container {
    max-width: 920px;
    margin: 48px auto;
    padding: 24px;
}

/* کارت سفید */
.card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 22px;
    overflow: hidden;
    border: 1px solid rgba(15, 23, 42, 0.04);
}

/* هدر */
.header {
    display: flex;
    gap: 16px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.header h1 {
    font-size: 18px;
    margin: 0;
    letter-spacing: 0.2px;
}

.header p {
    margin: 0;
    color: var(--muted);
    font-size: 13px;
}

/* فرم آپلود */
.upload-row {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 12px;
}

.form-field {
    flex: 1 1 320px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-field label {
    font-size: 13px;
    color: var(--muted);
}

.file-input {
    display: flex;
    gap: 8px;
    align-items: center;
    background: linear-gradient(180deg, #fbfdff, #ffffff);
    border: 1px dashed rgba(15, 23, 42, 0.06);
    padding: 10px;
    border-radius: 10px;
}

/* input فایل ظاهری */
input[type="file"] {
    background: transparent;
    border: 0;
    outline: none;
    font-size: 13px;
}

/* دکمه‌ها */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 10px;
    border: 0;
    cursor: pointer;
    font-weight: 600;
    color: white;
    background: linear-gradient(90deg, var(--accent), var(--accent-2));
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.14);
    transition: transform .08s ease, box-shadow .12s ease, opacity .12s;
}

.btn:active {
    transform: translateY(1px);
}

.btn.secondary {
    background: transparent;
    color: var(--accent);
    border: 1px solid rgba(37, 99, 235, 0.12);
    box-shadow: none;
}

/* وضعیت */
.status {
    margin-top: 14px;
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.badge {
    padding: 8px 10px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid rgba(15, 23, 42, 0.04);
    color: var(--muted);
    font-weight: 600;
    font-size: 13px;
}

/* پیام استاتوس */
#status {
    flex: 1 1 100%;
    color: var(--muted);
    font-size: 13px;
}

/* ناحیه دانلود */
#downloadArea {
    margin-top: 18px;
    display: flex;
    gap: 12px;
    align-items: center;
}

#downloadLink {
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    border-radius: 10px;
    background: linear-gradient(90deg, #10b981, #059669);
    color: #fff;
    font-weight: 700;
    box-shadow: 0 8px 24px rgba(16, 185, 129, 0.12);
}

/* متن کم‌رنگ */
.small {
    font-size: 12px;
    color: var(--muted);
}

/* قسمت پایین (foot) */
.footer {
    margin-top: 20px;
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    color: var(--muted);
    font-size: 13px;
}

/* موبایل */
@media (max-width:720px) {
    .container {
        padding: 14px;
        margin: 20px;
    }

    .upload-row {
        flex-direction: column;
    }

    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }
}

/* حالت خطا/در حال پردازش */
.processing {
    color: #064e3b;
    background: rgba(16, 185, 129, 0.06);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(16, 185, 129, 0.08);
}

.error {
    color: var(--danger);
    background: rgba(220, 38, 38, 0.06);
    padding: 8px 12px;
    border-radius: 8px;
    border: 1px solid rgba(220, 38, 38, 0.08);
}

.btn[disabled],
.btn.disabled {
    opacity: 0.6;
    pointer-events: none;
    cursor: not-allowed;
    background: linear-gradient(90deg, #9ca3af, #d1d5db);
    box-shadow: none;
}