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

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

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

:root {
    --portal-bg: #e8f1fb;
    --portal-blue: #1d65b3;
    --portal-blue-dark: #124c8c;
    --portal-ink: #18324d;
    --portal-muted: #637b94;
    --portal-white: #f9fcff;
    --portal-shadow-dark: rgba(90, 126, 163, .24);
    --portal-shadow-light: rgba(255, 255, 255, .9);
}

body.portal-body {
    background: var(--portal-bg);
    color: var(--portal-ink);
    font-family: "Vazirmatn", Tahoma, sans-serif;
}

.portal-body .portal-main {
    max-width: none;
    padding: 0;
    margin: 0;
}

.portal-shell {
    min-height: calc(100vh - 64px);
    padding: 28px clamp(18px, 4vw, 64px);
    background:
        radial-gradient(circle at 8% 10%, rgba(255,255,255,.9), transparent 30%),
        linear-gradient(135deg, #eaf3fc 0%, #dceafb 100%);
}

.portal-nav {
    background: rgba(232, 241, 251, .9) !important;
    border-bottom: 1px solid rgba(29, 101, 179, .08);
    box-shadow: 0 8px 22px var(--portal-shadow-dark);
}

.portal-nav .navbar-brand,
.portal-nav .nav-link {
    color: var(--portal-ink) !important;
}

.portal-nav .navbar-brand img {
    height: 36px;
}

.portal-nav .nav-link {
    border-radius: 12px;
    margin-inline-start: 4px;
}

.portal-nav .nav-link:hover {
    background: rgba(255,255,255,.7);
}

.portal-layout {
    width: min(1180px, 100%);
    min-height: calc(100vh - 120px);
    margin: 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 440px);
    gap: clamp(28px, 6vw, 90px);
    align-items: center;
}

.portal-intro {
    max-width: 620px;
}

.portal-logo {
    width: 76px;
    height: 76px;
    object-fit: contain;
    padding: 14px;
    border-radius: 24px;
    background: var(--portal-blue);
    box-shadow: 10px 10px 22px var(--portal-shadow-dark), -10px -10px 22px var(--portal-shadow-light);
    filter: none;
    mix-blend-mode: multiply;
}

.portal-brand-mark {
    display: inline-flex;
    padding: 10px;
    border-radius: 28px;
    background: var(--portal-blue);
    box-shadow: 10px 10px 22px var(--portal-shadow-dark), -10px -10px 22px var(--portal-shadow-light);
}

.portal-brand-mark .portal-logo {
    width: 76px;
    height: 76px;
    padding: 0;
    box-shadow: none;
    mix-blend-mode: multiply;
}

.portal-symbol {
    display: inline-flex;
    width: 1.25em;
    height: 1.25em;
    align-items: center;
    justify-content: center;
    margin-inline-end: 5px;
    vertical-align: -.2em;
}

.portal-symbol svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
    stroke: currentColor;
    stroke-width: 1.8;
}

.portal-illustration {
    width: min(100%, 560px);
    margin-top: 28px;
    border-radius: 30px;
    box-shadow: 14px 14px 30px var(--portal-shadow-dark), -14px -14px 30px var(--portal-shadow-light);
    opacity: .94;
}

.portal-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin: 22px 0 12px;
    color: var(--portal-blue);
    font-size: .9rem;
    font-weight: 700;
}

.portal-kicker::before {
    content: "";
    width: 28px;
    height: 3px;
    border-radius: 99px;
    background: var(--portal-blue);
}

.portal-title {
    margin: 0;
    color: var(--portal-ink);
    font-size: clamp(2rem, 4vw, 4.2rem);
    font-weight: 700;
    line-height: 1.25;
}

.portal-description {
    max-width: 520px;
    margin: 18px 0 26px;
    color: var(--portal-muted);
    font-size: clamp(1rem, 1.5vw, 1.2rem);
    line-height: 2;
}

.portal-features {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.portal-feature {
    padding: 10px 14px;
    border-radius: 14px;
    color: var(--portal-blue-dark);
    background: rgba(255,255,255,.5);
    box-shadow: 5px 5px 12px var(--portal-shadow-dark), -5px -5px 12px var(--portal-shadow-light);
    font-size: .88rem;
}

.portal-auth {
    position: relative;
    min-height: 520px;
}

.portal-panel {
    display: none;
    padding: clamp(24px, 4vw, 36px);
    border-radius: 28px;
    background: rgba(245, 250, 255, .82);
    box-shadow: 16px 16px 34px var(--portal-shadow-dark), -16px -16px 34px var(--portal-shadow-light);
    animation: portal-panel-in .35s ease both;
}

.portal-panel.is-active {
    display: block;
}

.portal-panel h2 {
    margin-bottom: 6px;
    font-size: 1.65rem;
    font-weight: 700;
}

.portal-panel-subtitle {
    margin-bottom: 22px;
    color: var(--portal-muted);
    font-size: .9rem;
}

.portal-panel .form-label {
    color: var(--portal-ink);
    font-size: .85rem;
    font-weight: 500;
}

.portal-panel .form-control,
.portal-panel .form-select {
    min-height: 46px;
    border: 0;
    border-radius: 14px;
    color: var(--portal-ink);
    background: var(--portal-bg);
    box-shadow: inset 4px 4px 9px rgba(90,126,163,.14), inset -4px -4px 9px rgba(255,255,255,.85);
}

.portal-panel .form-control:focus,
.portal-panel .form-select:focus {
    border: 0;
    box-shadow: inset 3px 3px 7px rgba(90,126,163,.14), 0 0 0 3px rgba(29,101,179,.16);
}

.portal-submit {
    width: 100%;
    min-height: 48px;
    margin-top: 8px;
    border: 0;
    border-radius: 14px;
    color: #fff;
    background: linear-gradient(135deg, var(--portal-blue), #3487d8);
    box-shadow: 7px 7px 14px rgba(29,101,179,.25), -5px -5px 12px #fff;
    font-weight: 700;
    transition: transform .2s ease, box-shadow .2s ease;
}

.portal-submit:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 4px 4px 10px rgba(29,101,179,.3), -4px -4px 10px #fff;
}

.portal-switch {
    margin: 20px 0 0;
    color: var(--portal-muted);
    text-align: center;
    font-size: .9rem;
}

.portal-switch button {
    padding: 0;
    border: 0;
    color: var(--portal-blue);
    background: transparent;
    font-weight: 700;
}

.portal-error {
    margin-bottom: 14px;
    padding: 10px 12px;
    border-radius: 12px;
    color: #9d2633;
    background: #ffe8eb;
    font-size: .82rem;
}

.portal-register-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 12px;
}

.portal-register-grid .full-width {
    grid-column: 1 / -1;
}

.portal-footer {
    padding: 12px 20px;
    color: var(--portal-muted);
    background: transparent;
    border: 0;
    font-size: .8rem;
}

.portal-details {
    width: min(1180px, 100%);
    margin: 18px auto 0;
}

.portal-details-heading {
    margin: 0 0 6px;
    font-size: 1.45rem;
}

.portal-details-subtitle {
    margin-bottom: 20px;
    color: var(--portal-muted);
}

.portal-detail-card,
.portal-about {
    height: 100%;
    padding: 22px;
    border-radius: 22px;
    background: rgba(245, 250, 255, .72);
    box-shadow: 9px 9px 20px var(--portal-shadow-dark), -9px -9px 20px var(--portal-shadow-light);
}

.portal-detail-icon {
    display: inline-flex;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    border-radius: 14px;
    color: #fff;
    background: var(--portal-blue);
    font-size: 1.25rem;
}

.portal-detail-icon .portal-symbol {
    width: 23px;
    height: 23px;
    margin: 0;
}

.portal-detail-card h3 {
    margin-bottom: 8px;
    font-size: 1.05rem;
}

.portal-detail-card p,
.portal-about p {
    margin-bottom: 0;
    color: var(--portal-muted);
    line-height: 1.9;
    font-size: .9rem;
}

.portal-about {
    margin-top: 20px;
}

.portal-about ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 18px;
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

.portal-about li {
    color: var(--portal-muted);
    font-size: .88rem;
}

.portal-about li::before {
    content: "\2713";
    margin-left: 7px;
    color: var(--portal-blue);
    font-weight: 700;
}

@keyframes portal-panel-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 860px) {
    .portal-layout {
        grid-template-columns: 1fr;
        min-height: auto;
        padding: 28px 0 12px;
    }

    .portal-intro {
        max-width: none;
        text-align: center;
    }

    .portal-description {
        margin-inline: auto;
    }

    .portal-features {
        justify-content: center;
    }

    .portal-auth {
        min-height: 0;
        width: min(520px, 100%);
        margin: 0 auto;
    }

    .portal-illustration {
        display: block;
        width: min(560px, 100%);
        margin: 26px auto 0;
    }
}

@media (max-width: 480px) {
    .portal-shell {
        padding: 18px 14px;
    }

    .portal-panel {
        padding: 22px 18px;
        border-radius: 22px;
    }

    .portal-register-grid {
        grid-template-columns: 1fr;
    }

    .portal-register-grid .full-width {
        grid-column: auto;
    }

    .portal-about ul {
        grid-template-columns: 1fr;
    }
}