*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --accent: #6C63FF; --accent-dim: rgba(108,99,255,0.15); --accent-border: rgba(108,99,255,0.35);
    --bg: #0a0a0f; --bg2: rgba(255,255,255,0.04); --text: #f0f0f0;
    --text-muted: rgba(255,255,255,0.5); --text-dim: rgba(255,255,255,0.35);
    --border: rgba(255,255,255,0.08); --border2: rgba(255,255,255,0.14);
    --radius: 12px; --radius-sm: 8px;
}
html { scroll-behavior: smooth; }
body {
    font-family: 'Cairo', sans-serif;
    direction: rtl;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}
body::before {
    content: '';
    position: fixed;
    top: -200px;
    left: 50%;
    transform: translateX(-50%);
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(108,99,255,0.1) 0%, transparent 65%);
    pointer-events: none;
}

.auth-box {
    background: rgba(255,255,255,0.03);
    border: 0.5px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 40px 36px;
    width: 100%;
    max-width: 420px;
    position: relative;
}

.back-btn {
    position: absolute;
    top: 18px;
    left: 18px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 20px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    border: 0.5px solid var(--border2);
    transition: all 0.2s;
}
.back-btn:hover { border-color: var(--accent); color: var(--accent); }

.auth-box img { display: block; height: 46px; margin: 0 auto 20px; object-fit: contain; }

.auth-box h2 { font-size: 22px; font-weight: 900; color: #fff; text-align: center; margin-bottom: 28px; }

.alert { padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 600; margin-bottom: 18px; background: rgba(239,68,68,0.12); border: 0.5px solid rgba(239,68,68,0.3); color: #fca5a5; }

.input-group { margin-bottom: 16px; }

.input-group input {
    width: 100%;
    background: rgba(255,255,255,0.04);
    border: 0.5px solid var(--border2);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-family: 'Cairo', sans-serif;
    font-size: 14px;
    padding: 11px 14px;
    outline: none;
    transition: border-color 0.2s;
}
.input-group input:focus { border-color: var(--accent); }
.input-group input::placeholder { color: var(--text-dim); }

.password-wrap { position: relative; }
.password-wrap input { padding-left: 44px; }
.toggle-pass { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); background: none; border: none; cursor: pointer; font-size: 16px; color: var(--text-dim); padding: 0; }

.input-error { display: block; font-size: 12px; color: #fca5a5; margin-top: 5px; }

.submit-btn {
    width: 100%;
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 13px;
    border-radius: var(--radius-sm);
    font-family: 'Cairo', sans-serif;
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 6px;
    transition: all 0.2s;
}
.submit-btn:hover { background: #5a52e0; transform: translateY(-1px); }

.auth-box > a {
    display: block;
    text-align: center;
    margin-top: 14px;
    font-size: 13px;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}
.auth-box > a:hover { color: var(--accent); }