/*!
 * Bootstrap v3.0.2 - Telegram Modern Edition
 * Clean, minimal, and professional like Telegram
 */

* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

*:before,
*:after {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

html {
    font-size: 62.5%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

/* ========================================
   رنگ‌های تلگرامی
   ======================================== */
:root {
    --tg-blue: #3390ec;
    --tg-blue-hover: #2a7ac4;
    --tg-bg-page: #ffffff;
    --tg-bg-surface: #f0f2f5;
    --tg-text: #111111;
    --tg-text-secondary: #707579;
    --tg-border: #e9ebee;
    --tg-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    --tg-green: #2bde8f;
    --tg-red: #e24b4b;
    --tg-yellow: #ffc107;
}

@media (prefers-color-scheme: dark) {
    :root {
        --tg-bg-page: #17212b;
        --tg-bg-surface: #1e2836;
        --tg-text: #ffffff;
        --tg-text-secondary: #838c96;
        --tg-border: #2b3645;
    }
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--tg-text);
    background: var(--tg-bg-page);
    min-height: 100vh;
    margin: 0;
}

/* Links - تلگرامی */
a {
    color: var(--tg-blue);
    text-decoration: none;
    transition: all 0.15s ease;
}

a:hover,
a:focus {
    color: var(--tg-blue-hover);
    text-decoration: underline;
}

/* Images */
img {
    vertical-align: middle;
}

.img-responsive {
    display: block;
    max-width: 100%;
    height: auto;
}

.img-rounded {
    border-radius: 12px;
}

.img-thumbnail {
    padding: 4px;
    line-height: 1.5;
    background-color: var(--tg-bg-surface);
    border: 1px solid var(--tg-border);
    border-radius: 12px;
    transition: all 0.15s ease;
    display: inline-block;
    max-width: 100%;
    height: auto;
}

.img-thumbnail:hover {
    border-color: var(--tg-blue);
}

.img-circle {
    border-radius: 50%;
}

/* Typography - ساده و خوانا */
h1, h2, h3, h4, h5, h6,
.h1, .h2, .h3, .h4, .h5, .h6 {
    font-family: inherit;
    font-weight: 600;
    line-height: 1.3;
    color: var(--tg-text);
    margin-top: 0;
    margin-bottom: 10px;
}

h1 small, h2 small, h3 small, h4 small, h5 small, h6 small,
.h1 small, .h2 small, .h3 small, .h4 small, .h5 small, .h6 small {
    font-weight: normal;
    line-height: 1;
    color: var(--tg-text-secondary);
}

h1, .h1 { font-size: 32px; }
h2, .h2 { font-size: 26px; }
h3, .h3 { font-size: 22px; }
h4, .h4 { font-size: 18px; }
h5, .h5 { font-size: 16px; }
h6, .h6 { font-size: 14px; }

/* Forms - مینیمال تلگرامی */
.form-control {
    display: block;
    width: 100%;
    height: 42px;
    padding: 10px 14px;
    font-size: 14px;
    line-height: 1.5;
    color: var(--tg-text);
    background-color: var(--tg-bg-page);
    border: 1px solid var(--tg-border);
    border-radius: 12px;
    transition: all 0.15s ease;
}

.form-control:focus {
    border-color: var(--tg-blue);
    outline: 0;
    box-shadow: 0 0 0 2px rgba(51, 144, 236, 0.2);
}

.form-control:-moz-placeholder { color: var(--tg-text-secondary); }
.form-control::-moz-placeholder { color: var(--tg-text-secondary); }
.form-control:-ms-input-placeholder { color: var(--tg-text-secondary); }
.form-control::-webkit-input-placeholder { color: var(--tg-text-secondary); }

.form-control[disabled],
.form-control[readonly],
fieldset[disabled] .form-control {
    background-color: var(--tg-bg-surface);
    opacity: 0.7;
}

textarea.form-control {
    height: auto;
}

.form-group {
    margin-bottom: 18px;
}

/* Buttons - دکمه‌های ساده تلگرامی */
.btn {
    display: inline-block;
    margin-bottom: 0;
    font-weight: 500;
    text-align: center;
    vertical-align: middle;
    cursor: pointer;
    background-image: none;
    border: none;
    white-space: nowrap;
    padding: 9px 20px;
    font-size: 14px;
    line-height: 1.5;
    border-radius: 12px;
    transition: all 0.15s ease;
}

.btn:focus {
    outline: none;
}

.btn:hover,
.btn:focus {
    transform: none;
    box-shadow: none;
}

.btn:active,
.btn.active {
    transform: none;
}

.btn-default {
    color: var(--tg-text);
    background-color: transparent;
    border: 1px solid var(--tg-border);
}

.btn-default:hover,
.btn-default:focus {
    background-color: var(--tg-bg-surface);
    border-color: var(--tg-blue);
}

.btn-primary {
    color: #fff;
    background-color: var(--tg-blue);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--tg-blue-hover);
}

.btn-success {
    color: #fff;
    background-color: var(--tg-green);
}

.btn-success:hover,
.btn-success:focus {
    background-color: #24c07e;
}

.btn-info {
    color: #fff;
    background-color: #4a9eff;
}

.btn-info:hover,
.btn-info:focus {
    background-color: #3a8ae0;
}

.btn-warning {
    color: #fff;
    background-color: var(--tg-yellow);
}

.btn-warning:hover,
.btn-warning:focus {
    background-color: #e0a800;
}

.btn-danger {
    color: #fff;
    background-color: var(--tg-red);
}

.btn-danger:hover,
.btn-danger:focus {
    background-color: #c73c3c;
}

.btn-lg {
    padding: 11px 28px;
    font-size: 16px;
    border-radius: 14px;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
    border-radius: 10px;
}

.btn-xs {
    padding: 4px 10px;
    font-size: 12px;
    border-radius: 8px;
}

/* Tables - جدول ساده تلگرامی */
.table {
    width: 100%;
    margin-bottom: 20px;
    border-collapse: collapse;
}

.table > thead > tr > th,
.table > tbody > tr > th,
.table > tfoot > tr > th,
.table > thead > tr > td,
.table > tbody > tr > td,
.table > tfoot > tr > td {
    padding: 12px 10px;
    line-height: 1.5;
    vertical-align: top;
    border-top: 1px solid var(--tg-border);
}

.table > thead > tr > th {
    vertical-align: bottom;
    border-bottom: 1px solid var(--tg-border);
    font-weight: 600;
    background: transparent;
    color: var(--tg-text-secondary);
    font-size: 13px;
}

.table-striped > tbody > tr:nth-child(odd) > td,
.table-striped > tbody > tr:nth-child(odd) > th {
    background-color: var(--tg-bg-surface);
}

.table-hover > tbody > tr:hover > td,
.table-hover > tbody > tr:hover > th {
    background-color: rgba(51, 144, 236, 0.05);
}

.table-bordered {
    border: 1px solid var(--tg-border);
    border-radius: 12px;
    overflow: hidden;
}

.table-bordered > thead > tr > th,
.table-bordered > tbody > tr > th,
.table-bordered > tfoot > tr > th,
.table-bordered > thead > tr > td,
.table-bordered > tbody > tr > td,
.table-bordered > tfoot > tr > td {
    border: 1px solid var(--tg-border);
}

/* Alerts - هشدارهای تلگرامی */
.alert {
    padding: 12px 16px;
    margin-bottom: 18px;
    border: 1px solid transparent;
    border-radius: 12px;
    animation: none;
}

.alert-success {
    background-color: rgba(43, 222, 143, 0.12);
    border-color: var(--tg-green);
    color: var(--tg-green);
}

.alert-info {
    background-color: rgba(51, 144, 236, 0.12);
    border-color: var(--tg-blue);
    color: var(--tg-blue);
}

.alert-warning {
    background-color: rgba(255, 193, 7, 0.12);
    border-color: var(--tg-yellow);
    color: #d4a000;
}

.alert-danger {
    background-color: rgba(226, 75, 75, 0.12);
    border-color: var(--tg-red);
    color: var(--tg-red);
}

/* Panels - پنل‌های تلگرامی */
.panel {
    margin-bottom: 20px;
    background-color: var(--tg-bg-page);
    border: 1px solid var(--tg-border);
    border-radius: 16px;
    box-shadow: none;
    overflow: hidden;
}

.panel-body {
    padding: 20px;
}

.panel-heading {
    padding: 14px 20px;
    border-bottom: 1px solid var(--tg-border);
    background-color: var(--tg-bg-surface);
    font-weight: 600;
}

.panel-title {
    margin-top: 0;
    margin-bottom: 0;
    font-size: 16px;
}

.panel-footer {
    padding: 14px 20px;
    background-color: var(--tg-bg-surface);
    border-top: 1px solid var(--tg-border);
}

/* Wells */
.well {
    min-height: 20px;
    padding: 20px;
    margin-bottom: 20px;
    background-color: var(--tg-bg-surface);
    border: 1px solid var(--tg-border);
    border-radius: 16px;
    box-shadow: none;
}

/* Badges - نشان‌های تلگرامی */
.badge {
    display: inline-block;
    min-width: 10px;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    line-height: 1.4;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    background-color: var(--tg-blue);
    border-radius: 20px;
}

.badge-danger {
    background-color: var(--tg-red);
}

.badge-success {
    background-color: var(--tg-green);
}

.badge-warning {
    background-color: var(--tg-yellow);
}

.badge-info {
    background-color: #4a9eff;
}

/* Labels - برچسب‌های تلگرامی */
.label {
    display: inline;
    padding: 4px 10px;
    font-size: 75%;
    font-weight: 600;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 20px;
}

.label-default { background-color: var(--tg-text-secondary); }
.label-primary { background-color: var(--tg-blue); }
.label-success { background-color: var(--tg-green); }
.label-info { background-color: #4a9eff; }
.label-warning { background-color: var(--tg-yellow); }
.label-danger { background-color: var(--tg-red); }

/* Modals - مودال تلگرامی */
.modal-content {
    position: relative;
    background-color: var(--tg-bg-page);
    border: 1px solid var(--tg-border);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    padding: 18px 20px;
    border-bottom: 1px solid var(--tg-border);
    border-radius: 20px 20px 0 0;
    background-color: var(--tg-bg-surface);
}

.modal-body {
    position: relative;
    padding: 20px;
}

.modal-footer {
    padding: 16px 20px;
    text-align: right;
    border-top: 1px solid var(--tg-border);
    border-radius: 0 0 20px 20px;
    background-color: var(--tg-bg-surface);
}

/* Responsive Utilities */
@media (max-width: 767px) {
    .table-responsive {
        width: 100%;
        margin-bottom: 15px;
        overflow-x: auto;
        border-radius: 12px;
    }
}

/* Animations - حذف شد (تلگرام انیمیشن اضافی نداره) */
.fade {
    opacity: 0;
    transition: opacity 0.15s linear;
}

.fade.in {
    opacity: 1;
}

.collapse {
    display: none;
}

.collapse.in {
    display: block;
}

/* Scrollbar - اسکرول بار تلگرامی */
::-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);
    }
}

/* Utilities اضافی شبیه تلگرام */
.text-muted {
    color: var(--tg-text-secondary);
}

.text-primary {
    color: var(--tg-blue);
}

.text-success {
    color: var(--tg-green);
}

.text-danger {
    color: var(--tg-red);
}

.text-warning {
    color: var(--tg-yellow);
}

.bg-primary {
    background-color: var(--tg-blue);
    color: #fff;
}

.bg-success {
    background-color: var(--tg-green);
    color: #fff;
}

.bg-danger {
    background-color: var(--tg-red);
    color: #fff;
}

.bg-warning {
    background-color: var(--tg-yellow);
    color: #fff;
}

/* لیست گروهی شبیه چت تلگرام */
.list-group {
    border-radius: 12px;
    overflow: hidden;
}

.list-group-item {
    position: relative;
    display: block;
    padding: 12px 16px;
    background-color: var(--tg-bg-page);
    border: 1px solid var(--tg-border);
    margin-bottom: -1px;
}

.list-group-item:first-child {
    border-top-left-radius: 12px;
    border-top-right-radius: 12px;
}

.list-group-item:last-child {
    margin-bottom: 0;
    border-bottom-right-radius: 12px;
    border-bottom-left-radius: 12px;
}

.list-group-item:hover {
    background-color: var(--tg-bg-surface);
}

/* دکمه بستن (close) */
.close {
    float: right;
    font-size: 21px;
    font-weight: 700;
    line-height: 1;
    color: var(--tg-text);
    text-shadow: none;
    opacity: 0.5;
}

.close:hover,
.close:focus {
    color: var(--tg-text);
    opacity: 0.8;
}