*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --orange: #de6200;
    --orange-light: #ff8533;
    --orange-glow: rgba(222, 98, 0, 0.18);
    --dark-1: #111112;
    --dark-2: #1a1a1b;
    --dark-3: #272728;
    --dark-4: #313133;
    --white: #f5f5f5;
    --white-dim: rgba(245, 245, 245, 0.7);
    --white-faint: rgba(245, 245, 245, 0.12);
    --border: rgba(245, 245, 245, 0.08);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 28px;
    --radius-pill: 999px;
    --transition: 0.3s cubic-bezier(.4, 0, .2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazirmatn', sans-serif;
    background: var(--dark-1);
    color: var(--white);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.bg-grid {
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(222, 98, 0, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(222, 98, 0, 0.05) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 30%, transparent 100%);
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(222, 98, 0, 0.10) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 0;
}

.login-card {
    position: relative;
    z-index: 10;
    width: 100%;
    max-width: 440px;
    margin: 24px;
    background: rgba(26, 26, 27, 0.92);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 48px 40px 40px;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(222, 98, 0, 0.07);
    animation: cardIn 0.5s cubic-bezier(.4, 0, .2, 1) both;
}

@keyframes cardIn {
    from {
        opacity: 0;
        transform: translateY(24px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 32px;
    text-decoration: none;
}

.site-logo {
    height: 35px;
    width: auto;
    display: block;
}

.login-heading {
    text-align: center;
    margin-bottom: 8px;
    font-family: 'Lalezar', sans-serif;
    font-size: 1.6rem;
    color: var(--white);
}

.login-sub {
    text-align: center;
    font-size: 0.875rem;
    color: var(--white-dim);
    margin-bottom: 36px;
    line-height: 1.7;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--white-dim);
    margin-bottom: 8px;
}

.input-wrap {
    position: relative;
}

.form-group input {
    width: 100%;
    background: var(--dark-3);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 12px 42px 12px 16px;
    font-size: 0.92rem;
    font-family: 'Vazirmatn', sans-serif;
    color: var(--white);
    transition: var(--transition);
    direction: rtl;
    outline: none;
}

.form-group input:focus {
    border-color: var(--orange);
    background: var(--dark-2);
    box-shadow: 0 0 0 3px rgba(222, 98, 0, 0.12);
}

.btn-login {
    width: 100%;
    padding: 14px;
    background: var(--orange);
    color: #fff;
    border: none;
    border-radius: var(--radius-pill);
    font-family: 'Vazirmatn', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    letter-spacing: 0.02em;
}

.btn-login:hover {
    background: var(--orange-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(222, 98, 0, 0.45);
}

.btn-login:active {
    transform: translateY(0);
}

.back-link {
    position: fixed;
    top: 24px;
    right: 32px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--white-dim);
    text-decoration: none;
    transition: var(--transition);
    z-index: 100;
}

.back-link:hover {
    color: var(--orange);
}

.toast {
    display: none;
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark-3);
    border: 1px solid rgba(222, 98, 0, 0.4);
    border-radius: var(--radius-md);
    padding: 14px 28px;
    font-size: 0.9rem;
    color: var(--orange);
    z-index: 9999;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.5);
    white-space: nowrap;
    animation: toastIn 0.3s ease;
}

@keyframes toastIn {
    from {
        opacity: 0;
        top: 8px;
    }

    to {
        opacity: 1;
        top: 24px;
    }
}