@font-face {
    font-family: "Vazirmatn";
    src: url("../font/Vazirmatn-Regular.woff2") format("woff2");
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: "Vazirmatn";
    src: url("../font/Vazirmatn-SemiBold.woff2") format("woff2");
    font-weight: 600;
    font-display: swap;
}

@font-face {
    font-family: "Vazirmatn";
    src: url("../font/Vazirmatn-ExtraBold.woff2") format("woff2");
    font-weight: 800;
    font-display: swap;
}

@font-face {
    font-family: "Oswald";
    src: url("../font/Oswald-Medium.woff2") format("woff2");
    font-weight: 500;
    font-display: swap;
}

@font-face {
    font-family: "Oswald";
    src: url("../font/Oswald-Bold.woff2") format("woff2");
    font-weight: 700;
    font-display: swap;
}

:root{

    --accent:#003f52;
    --accent-hover:#00141a;
    --accent-dark:#000405;

    --success:#3ddc84;
    --danger:#ff4d67;

    --bg:#0b0d11;
    --bg-2:#11151c;
    --bg-3:#171b24;
    --bg-card:#17181c;

    --text:#edf1f7;
    --text-soft:#c7cdd8;
    --muted:#8f99aa;

    --border:rgba(255,255,255,.06);

    --shadow-small:
        0 8px 18px rgba(0,0,0,.20);

    --shadow:
        0 12px 30px rgba(0,0,0,.35);

    --shadow-big:
        0 25px 70px rgba(0,0,0,.60);

    --font-display:"Oswald","Vazirmatn",system-ui,sans-serif;
    --font-body:"Vazirmatn",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;

}

*,
*::before,
*::after{
  font-family: inherit;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--text);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  direction: rtl;       /* کل صفحه راست‌به‌چپ */
  text-align: right;    /* متن‌ها راست‌چین */

  background:
    radial-gradient(circle at top,
    #1b2335 0%,
    #11151c 40%,
    #090b10 100%);

  background-attachment: fixed;
}

.card {
  position: relative;
  overflow: hidden;

  backdrop-filter: blur(22px);

  font-family: var(--font-body);

  background:
    linear-gradient(
    180deg,
    rgba(24,30,40,.90),
    rgba(16,20,28,.85));

  border: 1px solid rgba(255,255,255,.05);

  padding: 32px;              /* کمی بزرگ‌تر */
  width: 90%;                 /* نسبت به عرض صفحه */
  max-width: 700px;           /* بزرگ‌تر از قبل */
  min-height: 500px;          /* ارتفاع ثابت برای هماهنگی */

  box-shadow:
    var(--shadow-big),
    inset 0 1px 0 rgba(255,255,255,.05);

  transition: .35s ease;
}

.card::before{
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  left: -170px;
  top: -220px;
  background:
    radial-gradient(
    circle,
    rgba(79,124,255,.18),
    transparent 70%);
  pointer-events: none;
}

.card::after{
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -120px;
  bottom: -120px;
  background:
    radial-gradient(
    circle,
    rgba(255,255,255,.04),
    transparent 70%);
  pointer-events: none;
}

.card > *{
  position: relative;
  z-index: 2;
}

.card:hover{
  box-shadow:
    0 20px 60px rgba(0,0,0,.65),
    0 0 35px rgba(79,124,255,.12);
}

.card.zoom {
  transform: scale(1.05);     /* افکت زوم هنگام ورود */
}

h2 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: 1.6rem;          /* تیتر بزرگ‌تر */
  font-weight: 800;
  text-align: center;
  color: #fff;
  text-shadow: 0 5px 20px rgba(79,124,255,.25);
}

.tabs {
  display: flex;
  margin-bottom: 24px;
  overflow: hidden;
  background: none;
  border: 1px solid var(--border);
  font-family: var(--font-display);
}


.tab-btn {
  flex: 1; 
  padding: 12px;
  font-family: var(--font-display);
  clip-path:

    polygon(
    14px 0, 100% 0,
    100% calc(100% - 14px),
    calc(100% - 14px) 100%,
    0 100%, 0 14px);

    background:

    linear-gradient(
    135deg,
    var(--accent-hover),
    var(--accent-dark));
  color: var(--muted);
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 700;
  transition: .25s;
}

.tab-btn:hover{
  background: rgba(255,255,255,.05);
  color: var(--text);
}

.tab-btn.active {
  background:
    linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: #fff;
  box-shadow: 0 10px 28px rgba(79,124,255,.35);
}

form {
  display: grid;
  gap: 16px;
  text-align: right;
  font-family: var(--font-body);
}

label {
  font-size: 1rem;
  color: var(--muted);
  display: block;
  text-align: right;
  font-family: var(--font-body);
}

input {
  padding: 12px;
  border: 1px solid var(--border);
  font-family: var(--font-body);
  clip-path:

    polygon(
    14px 0, 100% 0,
    100% calc(100% - 14px),
    calc(100% - 14px) 100%,
    0 100%, 0 14px);

    background:

    linear-gradient(
    135deg,
    var(--accent-hover),
    var(--accent-dark));
  color: var(--text);
  text-align: right;
  font-size: 1rem;
  transition: .25s;
}

input:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(79,124,255,.18);
}

button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 16px;
  border: none;
  cursor: pointer;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;

  background:
    linear-gradient(
    135deg,
    var(--accent),
    var(--accent-dark));
  clip-path:

    polygon(
    14px 0, 100% 0,
    100% calc(100% - 14px),
    calc(100% - 14px) 100%,
    0 100%, 0 14px);

  box-shadow:
    0 10px 28px rgba(79,124,255,.35);

  transition: .25s;
}

button:hover {
  transform:
    translateY(-4px)
    scale(1.03);
  box-shadow:
    0 18px 40px rgba(79,124,255,.50);
}

.alert-message.success {
    font-family: var(--font-body);
    background-color: rgba(61,220,132,.12);
    color: var(--success);
    border: 1px solid rgba(61,220,132,.30);
    padding: 10px;
    margin-bottom: 10px;
}

.alert-message.error {
    font-family: var(--font-body);
    background-color: rgba(255,77,103,.12);
    color: var(--danger);
    border: 1px solid rgba(255,77,103,.30);
    padding: 10px;
    margin-bottom: 10px;
}

.api-message {
    display: none;
    width: 90%;
    margin: 15px auto;
    padding: 15px;
    border-radius: 15px;
    text-align: center;
    font-size: 20px;
    font-weight: bold;
    color: white;
    background: rgba(39,163,201,0.9);
    box-shadow: 0 0 20px rgba(39,163,201,0.7);
    animation: popup 0.4s ease;
}


.api-message.success {
    background: rgba(39,201,100,0.9);
    box-shadow:0 0 20px rgba(39,201,100,0.8);
}


.api-message.error {
    background: rgba(220,50,50,0.9);
    box-shadow:0 0 20px rgba(220,50,50,0.8);
}


@keyframes popup {

    from {
        transform: scale(0.7);
        opacity:0;
    }

    to {
        transform: scale(1);
        opacity:1;
    }

}