/* ==========================================================================
   Downola - استایل پایه
   متغیرهای طراحی، ریست، تایپوگرافی، هدر/فوتر و اجزای مشترک
   ========================================================================== */

/* ------------------------------------------------------------ فونت پروژه */
/* AbarMidFaNum — وزن‌های موجود در assets/fonts */
@font-face {
  font-family: 'AbarMidFaNum';
  src:
    url('../fonts/AbarMidFaNum-Regular.woff2') format('woff2'),
    url('../fonts/AbarMidFaNum-Regular.woff') format('woff'),
    url('../fonts/AbarMidFaNum-Regular.ttf') format('truetype');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'AbarMidFaNum';
  src:
    url('../fonts/AbarMidFaNum-SemiBold.woff2') format('woff2'),
    url('../fonts/AbarMidFaNum-SemiBold.woff') format('woff'),
    url('../fonts/AbarMidFaNum-SemiBold.ttf') format('truetype');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'AbarMidFaNum';
  src:
    url('../fonts/AbarMidFaNum-Bold.woff2') format('woff2'),
    url('../fonts/AbarMidFaNum-Bold.woff') format('woff'),
    url('../fonts/AbarMidFaNum-Bold.ttf') format('truetype');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'AbarMidFaNum';
  src:
    url('../fonts/AbarMidFaNum-ExtraBold.woff2') format('woff2'),
    url('../fonts/AbarMidFaNum-ExtraBold.woff') format('woff'),
    url('../fonts/AbarMidFaNum-ExtraBold.ttf') format('truetype');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'AbarMidFaNum';
  src:
    url('../fonts/AbarMidFaNum-Black.woff2') format('woff2'),
    url('../fonts/AbarMidFaNum-Black.woff') format('woff'),
    url('../fonts/AbarMidFaNum-Black.ttf') format('truetype');
  font-weight: 900;
  font-style: normal;
  font-display: swap;
}

:root {
  /* رنگ‌ها */
  --color-bg: #f6f7fb;
  --color-surface: #ffffff;
  --color-surface-alt: #f0f2f7;
  --color-text: #14181f;
  --color-muted: #5f6b7a;
  --color-border: #e3e7ee;
  --color-brand: #2f5bea;
  --color-brand-dark: #2447c0;
  --color-brand-soft: #e8edff;
  --color-success: #12805c;
  --color-success-soft: #e4f6ef;
  --color-error: #c0392b;
  --color-error-soft: #fdecea;
  --color-warning: #8a6100;
  --color-warning-soft: #fdf3dd;
  --color-info: #1f6fa8;
  --color-info-soft: #e6f2fa;

  /* اندازه‌ها */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  /* فاصله‌ها */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;

  /* سایه */
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow: 0 8px 24px rgba(16, 24, 40, 0.07);
  --shadow-lg: 0 20px 48px rgba(16, 24, 40, 0.1);

  /* چیدمان */
  --container: 1120px;
  --header-height: 68px;

  /* تایپوگرافی */
  --font-sans:
    'AbarMidFaNum', 'Vazirmatn', 'IRANSansX', 'IRANSans', 'Segoe UI', Tahoma, system-ui, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}

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

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

body {
  margin: 0;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.9;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0 0 var(--space-3);
  font-weight: 700;
  line-height: 1.5;
}

h1 {
  font-size: 1.75rem;
}
h2 {
  font-size: 1.35rem;
}
h3 {
  font-size: 1.1rem;
}

p {
  margin: 0 0 var(--space-3);
}

a {
  color: var(--color-brand);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-brand-dark);
}

ul,
ol {
  margin: 0 0 var(--space-3);
  padding-inline-start: var(--space-5);
}

code,
pre {
  font-family: var(--font-mono);
  direction: ltr;
  text-align: left;
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-5) 0;
}

::selection {
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
}

:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 2px;
}

/* ---------------------------------------------------- ابزارهای چیدمان */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

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

.skip-link {
  position: absolute;
  inset-inline-start: -9999px;
  top: 0;
  background: var(--color-brand);
  color: #fff;
  padding: var(--space-2) var(--space-4);
  border-radius: 0 0 var(--radius) var(--radius);
  z-index: 100;
}

.skip-link:focus {
  inset-inline-start: var(--space-4);
}

/* ------------------------------------------------------------- دکمه‌ها */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 22px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.6;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease;
}

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

.btn:disabled,
.btn[disabled] {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--color-brand-dark);
  color: #fff;
}

.btn-ghost {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-text);
}

.btn-ghost:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

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

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 6px 14px;
  font-size: 0.85rem;
}

/* --------------------------------------------------------------- فرم‌ها */
.field {
  margin-bottom: var(--space-4);
}

.field label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
}

.field .hint {
  display: block;
  margin-top: var(--space-1);
  font-size: 0.8rem;
  color: var(--color-muted);
}

input[type='text'],
input[type='email'],
input[type='password'],
input[type='search'],
input[type='url'],
input[type='number'],
select,
textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  font-family: inherit;
  font-size: 0.95rem;
  line-height: 1.7;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(47, 91, 234, 0.15);
  outline: none;
}

input:disabled,
select:disabled,
textarea:disabled {
  background: var(--color-surface-alt);
  color: var(--color-muted);
  cursor: not-allowed;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

/* -------------------------------------------------------------- هدر */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-height);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
}

.brand:hover {
  color: var(--color-text);
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--color-brand), #6d8bff);
  color: #fff;
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: var(--shadow-sm);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.4;
}

.brand-text strong {
  font-size: 1.05rem;
}

.brand-text small {
  font-size: 0.72rem;
  color: var(--color-muted);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-link {
  display: inline-block;
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 600;
  background: none;
  border: 0;
  font-family: inherit;
  cursor: pointer;
  transition:
    background-color 0.15s ease,
    color 0.15s ease;
}

.nav-link:hover,
.nav-link.is-active {
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
}

.nav-form {
  margin: 0;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
}

/* سایدبار موبایل */
.nav-panel-head,
.nav-user,
.nav-backdrop {
  display: none;
}

.nav-panel-head {
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.nav-panel-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-muted);
}

.nav-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

.nav-close:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.nav-close .icon {
  width: 18px;
  height: 18px;
}

.nav-user {
  margin-bottom: var(--space-2);
}

.nav-user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-surface-alt);
  color: var(--color-text);
  text-decoration: none;
}

.nav-user-card:hover {
  border-color: var(--color-brand);
}

.nav-user-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.4;
}

.nav-user-text strong {
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-user-text small {
  font-size: 0.72rem;
  color: var(--color-muted);
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-user-points {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-inline-start: auto;
  padding: 2px 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  line-height: 1.3;
}

.nav-user-points strong {
  font-size: 0.9rem;
  color: var(--color-brand);
}

.nav-user-points small {
  font-size: 0.62rem;
  color: var(--color-muted);
}

.nav-user-links {
  display: grid;
  gap: 2px;
  margin: 8px 0;
  padding: 0;
  list-style: none;
}

.nav-user-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-size: 0.88rem;
  font-weight: 500;
  text-decoration: none;
}

.nav-user-links a:hover,
.nav-user-links a:focus-visible {
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
}

.nav-user-links .icon {
  width: 18px;
  height: 18px;
  color: var(--color-muted);
}

.nav-user-links a:hover .icon {
  color: currentColor;
}

.nav-user-logout {
  margin: 0;
}

.nav-user-logout button {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: var(--color-error-soft, #fdecec);
  color: var(--color-error, #c0392b);
  font-family: inherit;
  font-size: 0.88rem;
  font-weight: 600;
  text-align: start;
  cursor: pointer;
}

.nav-user-logout button:hover {
  background: var(--color-error, #c0392b);
  color: #fff;
}

.nav-user-logout .icon {
  width: 18px;
  height: 18px;
}

/* --------------------------------------------------------------- پیام‌ها */
.flash-stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.flash {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 12px 16px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 0.9rem;
}

.flash--success {
  background: var(--color-success-soft);
  color: var(--color-success);
  border-color: #bfe8d8;
}
.flash--error {
  background: var(--color-error-soft);
  color: var(--color-error);
  border-color: #f5c6c0;
}
.flash--warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
  border-color: #f1dfb0;
}
.flash--info {
  background: var(--color-info-soft);
  color: var(--color-info);
  border-color: #c4e0f2;
}

.flash-close {
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.6;
}

.flash-close:hover {
  opacity: 1;
}

/* --------------------------------------------------------------- فوتر */
.site-footer {
  margin-top: var(--space-8);
  padding-top: var(--space-7);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-6);
  padding-bottom: var(--space-6);
}

.footer-title {
  font-size: 0.95rem;
  margin-bottom: var(--space-3);
}

.footer-text,
.footer-links {
  color: var(--color-muted);
  font-size: 0.87rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: var(--space-2);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-4);
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.8rem;
}

.footer-version {
  font-family: var(--font-mono);
  direction: ltr;
}

/* ------------------------------------------------------------ واکنش‌گرا */
@media (max-width: 860px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 720px) {
  body {
    font-size: 14.5px;
  }

  .nav-toggle {
    display: flex;
  }

  .site-header {
    /* جلوگیری از ایجاد containing block برای سایدبار fixed */
    backdrop-filter: none;
  }

  .site-nav {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 95;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    width: min(330px, 86vw);
    height: 100%;
    max-height: 100dvh;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: calc(var(--space-3) + env(safe-area-inset-top)) var(--space-3)
      calc(var(--space-3) + env(safe-area-inset-bottom));
    background: var(--color-surface);
    border-right: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateX(-102%);
    visibility: hidden;
    transition:
      transform 0.24s ease,
      visibility 0.24s ease;
  }

  .site-nav.is-open {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-panel-head,
  .nav-user {
    display: flex;
    flex-direction: column;
  }

  .nav-panel-head {
    flex-direction: row;
  }

  .header-profile {
    display: none;
  }

  body.nav-open {
    overflow: hidden;
  }

  .nav-backdrop {
    position: fixed;
    inset: 0;
    z-index: 90;
    display: block;
    background: rgba(24, 25, 24, 0.5);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.24s ease,
      visibility 0.24s ease;
  }

  .nav-backdrop.is-open {
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    text-align: start;
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    font-size: 0.92rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* ------------------------------------------------------------- صفحه‌بندی */
.pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.pager-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text);
  font-size: 0.85rem;
  font-weight: 600;
}

.pager-link:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.pager-link.is-current {
  background: var(--color-brand);
  border-color: var(--color-brand);
  color: #fff;
}

.pager-gap {
  color: var(--color-muted);
  padding: 0 var(--space-1);
}

/* ------------------------------------------------------------- بج وضعیت */
.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--color-surface-alt);
  color: var(--color-muted);
}

.badge--success {
  background: var(--color-success-soft);
  color: var(--color-success);
}
.badge--warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}
.badge--danger {
  background: var(--color-error-soft);
  color: var(--color-error);
}
.badge--info {
  background: var(--color-info-soft);
  color: var(--color-info);
}