/* ============================================================
   LOGIN + ADMIN — Общая тёмная тема
   ============================================================ */
:root {
    --bg-dark:    #0d0f1a;
    --bg-card:    rgba(20, 24, 48, 0.92);
    --bg-input:   rgba(255,255,255,0.06);
    --accent:     #6c63ff;
    --accent-glow:rgba(108,99,255,0.35);
    --accent2:    #00d4aa;
    --danger:     #ff4d6d;
    --warn:       #f59e0b;
    --success:    #10b981;
    --text:       #e8eaf6;
    --text-muted: #8892b0;
    --border:     rgba(255,255,255,0.1);
    --radius:     14px;
    --radius-sm:  8px;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image:
        radial-gradient(ellipse 80% 60% at 20% 20%, rgba(108,99,255,0.18) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 80%, rgba(0,212,170,0.12) 0%, transparent 60%);
    background-attachment: fixed;
}

/* ─── КАРТОЧКА ВХОДА ──────────────────────────────────────── */
.login-wrapper { display: flex; align-items: center; justify-content: center; width: 100%; padding: 24px; }

.login-card {
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 44px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(108,99,255,0.15);
    animation: slideUp .4s ease;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-header { text-align: center; margin-bottom: 32px; }
.logo-icon { font-size: 2.8rem; margin-bottom: 12px; display: block; animation: pulse 3s ease-in-out infinite; }
@keyframes pulse { 0%,100%{transform:scale(1)} 50%{transform:scale(1.06)} }

.login-header h1 {
    font-size: 1.25rem; font-weight: 700; letter-spacing: 2px;
    background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 6px;
}
.login-header p { color: var(--text-muted); font-size: 0.85rem; }

.input-group { margin-bottom: 18px; }
.input-group label { display: block; font-size: 0.78rem; font-weight: 500; color: var(--text-muted); margin-bottom: 6px; letter-spacing: 0.5px; text-transform: uppercase; }

.input-field {
    position: relative; display: flex; align-items: center;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius-sm); overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
}
.input-field:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.input-field .icon { padding: 0 12px; font-size: 1rem; color: var(--text-muted); user-select: none; flex-shrink: 0; }
.input-field input {
    flex: 1; background: none; border: none; outline: none;
    color: var(--text); font-size: 0.95rem; padding: 13px 12px 13px 0;
    font-family: inherit;
}
.input-field input::placeholder { color: var(--text-muted); }
.eye-btn { background: none; border: none; color: var(--text-muted); cursor: pointer; padding: 0 12px; font-size: 1rem; flex-shrink: 0; }
.eye-btn:hover { color: var(--text); }
.input-hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 5px; }

.login-btn {
    width: 100%; padding: 14px; border: none; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent), #8b5cf6);
    color: #fff; font-size: 0.95rem; font-weight: 600; cursor: pointer;
    transition: all .2s; position: relative; overflow: hidden; margin-top: 8px;
    font-family: inherit;
}
.login-btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 8px 24px var(--accent-glow); }
.login-btn:active:not(:disabled) { transform: translateY(0); }
.login-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.login-btn.loading .btn-text { opacity: 0; }
.login-btn.loading .btn-loader { display: block; }
.btn-loader { display: none; width: 20px; height: 20px; border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); }
@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }

.back-btn { width: 100%; background: none; border: 1px solid var(--border); color: var(--text-muted); padding: 10px; border-radius: var(--radius-sm); cursor: pointer; font-size: 0.85rem; margin-top: 10px; transition: all .2s; font-family: inherit; }
.back-btn:hover { border-color: var(--accent); color: var(--text); }

.error-box { display: none; background: rgba(255,77,109,0.15); border: 1px solid rgba(255,77,109,0.4); color: #ff7096; border-radius: var(--radius-sm); padding: 10px 14px; font-size: 0.85rem; margin-bottom: 12px; }

/* Индикатор силы пароля */
.strength-bar { height: 4px; background: rgba(255,255,255,0.1); border-radius: 2px; margin: 8px 0 4px; overflow: hidden; }
.strength-fill { height: 100%; border-radius: 2px; transition: width .3s, background .3s; }

@media (max-width: 420px) {
    .login-card {
        padding: 30px 20px !important;
        border-radius: 16px !important;
    }
    .login-header {
        margin-bottom: 24px !important;
    }
    .login-header h1 {
        font-size: 1.1rem !important;
    }
}