/* ========================================
   فونت تلگرام (Open Sans + پشتیبانی فارسی)
   ======================================== */
@font-face {
    font-family: "Open Sans";
    src: local("Open Sans"), local("OpenSans");
    font-weight: normal;
}

@font-face {
    font-family: "BYekan";
    src: url("../fonts/BYekan.eot");
    src: url("../fonts/BYekan.eot?#iefix") format("embedded-opentype"),
         url("../fonts/BYekan.woff2") format("woff2"),
         url("../fonts/BYekan.woff") format("woff"),
         url("../fonts/BYekan.ttf") format("truetype");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

/* ========================================
   متغیرهای رنگ تلگرام
   ======================================== */
:root {
    --tg-blue: #3390ec;
    --tg-blue-hover: #2a7ac4;
    --tg-bg-light: #ffffff;
    --tg-bg-dark: #17212b;
    --tg-surface-light: #f0f2f5;
    --tg-surface-dark: #1e2836;
    --tg-text-light: #111111;
    --tg-text-dark: #ffffff;
    --tg-text-secondary-light: #707579;
    --tg-text-secondary-dark: #838c96;
    --tg-border-light: #e9ebee;
    --tg-border-dark: #2b3645;
    --tg-accent-green: #2bde8f;
    --tg-accent-red: #e24b4b;
    --tg-accent-yellow: #ffc107;
    --tg-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    --tg-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.08);
    --tg-transition: all 0.15s ease;
}

/* تم روشن (پیش‌فرض) */
:root {
    --tg-bg-page: var(--tg-bg-light);
    --tg-bg-surface: var(--tg-surface-light);
    --tg-text-primary: var(--tg-text-light);
    --tg-text-secondary: var(--tg-text-secondary-light);
    --tg-border: var(--tg-border-light);
    --tg-message-bg-out: var(--tg-blue);
    --tg-message-bg-in: #ffffff;
    --tg-hover: rgba(0, 0, 0, 0.05);
}

/* تم تیره خودکار */
@media (prefers-color-scheme: dark) {
    :root {
        --tg-bg-page: var(--tg-bg-dark);
        --tg-bg-surface: var(--tg-surface-dark);
        --tg-text-primary: var(--tg-text-dark);
        --tg-text-secondary: var(--tg-text-secondary-dark);
        --tg-border: var(--tg-border-dark);
        --tg-message-bg-in: #2b3645;
        --tg-hover: rgba(255, 255, 255, 0.05);
    }
}

/* ========================================
   ریست به سبک تلگرام
   ======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ========================================
   بدنه اصلی مثل صفحه چت تلگرام
   ======================================== */
body {
    background: var(--tg-bg-page);
    font-family: "Open Sans", "BYekan", -apple-system, BlinkMacSystemFont, "Segoe UI", Tahoma, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--tg-text-primary);
    direction: rtl;
    min-height: 100vh;
    transition: var(--tg-transition);
}

/* حذف افکت‌های اضافی */
body::before {
    display: none;
}

/* ========================================
   اسکرول بار شبیه تلگرام
   ======================================== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.3);
}
@media (prefers-color-scheme: dark) {
    ::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.2);
    }
    ::-webkit-scrollbar-thumb:hover {
        background: rgba(255, 255, 255, 0.3);
    }
}

/* ========================================
   کانتینر اصلی
   ======================================== */
.container {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 12px;
    width: 100%;
}

/* ========================================
   هدر کلی رابط
   ======================================== */
.header-telegram {
    position: sticky;
    top: 0;
    background: var(--tg-bg-page);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--tg-border);
    padding: 12px 16px;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* دکمه هدر */
.head-btn {
    background: transparent;
    color: var(--tg-blue) !important;
    border: none;
    padding: 8px 16px;
    border-radius: 12px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--tg-transition);
    position: relative;
    overflow: hidden;
}
.head-btn::before {
    display: none;
}
.head-btn:hover {
    background: var(--tg-hover);
    transform: none;
    box-shadow: none;
}

/* ========================================
   کارت محتوا
   ======================================== */
.main {
    background: var(--tg-bg-surface);
    border-radius: 16px;
    padding: 24px;
    margin: 16px 0;
    box-shadow: var(--tg-shadow);
    border: 1px solid var(--tg-border);
    transition: var(--tg-transition);
}
.main:hover {
    box-shadow: var(--tg-shadow-lg);
}
.main hgroup {
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--tg-border);
}
.main hgroup h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--tg-text-primary);
    text-align: right;
    position: relative;
}
.main hgroup h3::after {
    display: none;
}
.main hgroup h3 sub {
    float: left;
    font-size: 12px;
    font-weight: normal;
}
.main hgroup h3 sub a {
    color: var(--tg-blue);
    text-decoration: none;
}
.main hgroup h3 sub a:hover {
    text-decoration: underline;
    color: var(--tg-blue-hover);
}
.main p {
    text-align: right;
    color: var(--tg-text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
}

/* خط جداکننده */
.line {
    height: 1px;
    background: var(--tg-border);
    margin: 20px 0;
}

/* ========================================
   جدول ساده
   ======================================== */
.table {
    width: 100%;
    border-collapse: collapse;
    direction: rtl;
    margin-bottom: 16px;
}
.table th {
    text-align: center;
    padding: 12px 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--tg-text-secondary);
    border-bottom: 1px solid var(--tg-border);
}
.table td {
    padding: 12px 8px;
    color: var(--tg-text-primary);
    border-bottom: 1px solid var(--tg-border);
    transition: var(--tg-transition);
}
.table tr:hover td {
    background: var(--tg-hover);
}

/* موبایل برای جدول */
@media (max-width: 768px) {
    .table th { display: none; }
    .table, .table tbody, .table tr, .table td {
        display: block;
        width: 100%;
    }
    .table tr {
        margin-bottom: 8px;
        border: 1px solid var(--tg-border);
        border-radius: 12px;
        overflow: hidden;
    }
    .table td {
        text-align: right;
        border: none;
        padding: 10px 12px;
    }
    .table td:first-child {
        font-weight: 600;
        background: var(--tg-hover);
    }
}

/* ========================================
   فرم به سبک تلگرام
   ======================================== */
.form-control {
    width: 100%;
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid var(--tg-border);
    background: var(--tg-bg-page);
    color: var(--tg-text-primary);
    font-size: 14px;
    font-family: inherit;
    transition: var(--tg-transition);
    outline: none;
}
.form-control:focus {
    border-color: var(--tg-blue);
    box-shadow: 0 0 0 2px rgba(51, 144, 236, 0.2);
}
.main label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: var(--tg-text-secondary);
    text-align: right;
}
.main label span {
    color: var(--tg-accent-red);
    margin-right: 4px;
}

/* ========================================
   دکمه‌های عمومی
   ======================================== */
.my-btn {
    width: 100%;
    padding: 10px 20px;
    border-radius: 12px;
    border: none;
    background: var(--tg-blue);
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
    transition: var(--tg-transition);
    position: relative;
    overflow: hidden;
}
.my-btn::before { display: none; }
.my-btn:hover {
    background: var(--tg-blue-hover);
}
.btn-danger {
    background: var(--tg-accent-red) !important;
}
.btn-danger:hover {
    background: #c73c3c !important;
}
.btn-success {
    background: var(--tg-accent-green) !important;
    color: var(--tg-text-light) !important;
}
.btn-success:hover {
    background: #24c07e !important;
}
.btn-default {
    background: transparent;
    border: 1px solid var(--tg-border);
    color: var(--tg-text-primary);
}
.btn-default:hover {
    background: var(--tg-hover);
}

/* ========================================
   فوتر ساده
   ======================================== */
#footer {
    text-align: center;
    margin-top: 30px;
    padding: 20px;
    border-top: 1px solid var(--tg-border);
    color: var(--tg-text-secondary);
    font-size: 12px;
}
#footer a {
    color: var(--tg-blue);
    text-decoration: none;
}
#footer a:hover {
    text-decoration: underline;
}

/* ========================================
   هشدارها (Alerts)
   ======================================== */
.alert {
    border-radius: 12px;
    padding: 12px 16px;
    margin-bottom: 16px;
    font-size: 13px;
    border: 1px solid transparent;
}
.alert-success {
    background: rgba(43, 222, 143, 0.15);
    border-color: var(--tg-accent-green);
    color: var(--tg-accent-green);
}
.alert-danger {
    background: rgba(226, 75, 75, 0.15);
    border-color: var(--tg-accent-red);
    color: var(--tg-accent-red);
}
.alert-warning {
    background: rgba(255, 193, 7, 0.15);
    border-color: var(--tg-accent-yellow);
    color: #d4a000;
}
.alert-info {
    background: rgba(51, 144, 236, 0.15);
    border-color: var(--tg-blue);
    color: var(--tg-blue);
}
.errorMessage {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--tg-accent-red);
}

/* ========================================
   حباب‌های پیام
   ======================================== */
.message-bubble {
    position: relative;
    max-width: 75%;
    padding: 8px 12px;
    border-radius: 18px;
    margin-bottom: 8px;
    word-wrap: break-word;
    transition: var(--tg-transition);
}
.message-out {
    background: var(--tg-message-bg-out);
    color: #fff;
    border-bottom-left-radius: 4px;
    margin-right: auto;
}
.message-in {
    background: var(--tg-message-bg-in);
    color: var(--tg-text-primary);
    border-bottom-right-radius: 4px;
    margin-left: auto;
    border: 1px solid var(--tg-border);
}
/* زمان پیام */
.message-time {
    position: absolute;
    bottom: -14px;
    right: 12px;
    font-size: 10px;
    color: var(--tg-text-secondary);
}
/* نقل قول داخل پیام */
.bubble-quote {
    border-left: 3px solid var(--tg-border);
    padding-left: 8px;
    margin-bottom: 6px;
    color: var(--tg-text-secondary);
    font-size: 13px;
    line-height: 1.4;
}
/* عکس یا استیکر در پیام */
.message-image {
    max-width: 250px;
    border-radius: 12px;
    margin-bottom: 4px;
}
.message-image:hover {
    box-shadow: var(--tg-shadow-lg);
}

/* انتخاب متن */
::selection {
    background: rgba(51, 144, 236, 0.3);
    color: inherit;
}

/* حذف افکت شیشه‌ای */
.glass-effect {
    background: var(--tg-bg-surface);
    backdrop-filter: none;
    border: 1px solid var(--tg-border);
}

/* ========================================
   لیست گفتگوها
   ======================================== */
.chat-list {
    max-height: 100vh;
    overflow-y: auto;
    background: var(--tg-bg-page);
}
.chat-item {
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-bottom: 1px solid var(--tg-border);
    transition: var(--tg-transition);
    cursor: pointer;
}
.chat-item:hover {
    background: var(--tg-hover);
}
.chat-item .avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    margin-left: 12px;
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
}
.chat-item .status {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 10px;
    height: 10px;
    border: 2px solid var(--tg-bg-surface);
    border-radius: 50%;
    background: var(--tg-accent-green);
}
.chat-item .info {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}
.chat-item .info .name {
    font-weight: 600;
    font-size: 16px;
    color: var(--tg-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-item .info .last {
    font-size: 14px;
    color: var(--tg-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.chat-item .time {
    font-size: 12px;
    color: var(--tg-text-secondary);
    white-space: nowrap;
    margin-left: 8px;
}

/* ========================================
   هدر گفتگو
   ======================================== */
.chat-header {
    position: sticky;
    top: 0;
    display: flex;
    align-items: center;
    padding: 8px 12px;
    background: var(--tg-bg-page);
    border-bottom: 1px solid var(--tg-border);
    z-index: 50;
}
.chat-header .avatar-lg {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    margin-left: 12px;
    background-size: cover;
    background-position: center;
}
.chat-header .title {
    font-size: 16px;
    font-weight: 600;
    color: var(--tg-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ========================================
   ورودی پیام و دکمه ارسال
   ======================================== */
.chat-input-container {
    position: sticky;
    bottom: 0;
    display: flex;
    align-items: center;
    padding: 8px 12px;
    gap: 8px;
    background: var(--tg-bg-surface);
    border-top: 1px solid var(--tg-border);
    z-index: 50;
}
.chat-input {
    flex: 1;
    padding: 10px 12px;
    border-radius: 20px;
    border: 1px solid var(--tg-border);
    background: var(--tg-bg-light);
    color: var(--tg-text-primary);
    resize: none;
    font-size: 14px;
    line-height: 1.4;
    outline: none;
    transition: var(--tg-transition);
}
.chat-input::placeholder {
    color: var(--tg-text-secondary);
}
.send-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--tg-blue);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--tg-transition);
}
.send-btn:disabled {
    background: rgba(51,144,236,0.4);
    cursor: default;
}
.send-btn svg {
    width: 18px;
    height: 18px;
    fill: #fff;
    transform: rotate(45deg);
}
.attachment-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: transparent;
    border: none;
    color: var(--tg-text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--tg-transition);
}
.attachment-btn:hover {
    background: var(--tg-hover);
}

/* ========================================
   دسترسی و کاهش موشن
   ======================================== */
:focus-visible {
    outline: 2px solid var(--tg-blue);
    outline-offset: 2px;
    border-radius: 8px;
}
@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
    }
}