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

        :root {
            --brand:     #461260;
            --brand-lt:  #7a3395;
            --accent:    #12a892;
            --accent-lt: #38d4be;
            --gradient:  linear-gradient(135deg, var(--brand), var(--brand-lt));
            --brand-deep:#250d34;
            --gold:      #f0b84b;
            --panel-grad:linear-gradient(155deg, #4b1469 0%, #2a103c 52%, #0d5a50 100%);
            --surface:   #ffffff;
            --bg:        #f5f7fb;
            --border:    #dfe6ef;
            --text:      #172033;
            --muted:     #69758a;
            --danger:    #dc3545;
            --warn-bg:   #fff8e1;
            --warn-bdr:  #ffd54f;
            --warn-txt:  #7c5800;
            --radius:    18px;
            --shadow:    0 34px 90px rgba(31,18,51,.20), 0 10px 26px rgba(18,168,146,.08);
        }

        html, body {
            height: 100%;
            font-family: 'Inter', 'Segoe UI', sans-serif;
            color: var(--text);
            background: var(--bg);
            background-image:
                radial-gradient(circle at 18% 14%, rgba(122,51,149,.16), transparent 30%),
                radial-gradient(circle at 86% 82%, rgba(18,168,146,.14), transparent 34%),
                linear-gradient(135deg, #faf8fc 0%, #eef6f5 52%, #f7f9fc 100%);
        }

        body {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 24px 16px;
            position: relative;
            overflow-x: hidden;
        }


        body::before {
            content: "";
            position: fixed;
            inset: 22px;
            border: 1px solid rgba(74,23,104,.08);
            border-radius: 28px;
            pointer-events: none;
        }
        /* ========================================
           OUTER WRAPPER
        ======================================== */
        .login-wrapper {
            width: 100%;
            max-width: 1040px;
            min-height: 640px;
            background: rgba(255,255,255,.92);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            display: flex;
            border: 1px solid rgba(255,255,255,.78);
            backdrop-filter: blur(18px);
            animation: fadeUp .45s cubic-bezier(.22,1,.36,1) both;
        }

        @keyframes fadeUp {
            from { opacity:0; transform:translateY(28px); }
            to   { opacity:1; transform:translateY(0); }
        }

        /* ========================================
           LEFT PANEL
        ======================================== */
        .brand-panel {
            width: 46%;
            background: var(--panel-grad);
            padding: 48px 40px 36px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            position: relative;
            overflow: hidden;
        }

        .brand-panel::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                linear-gradient(135deg, rgba(255,255,255,.10), transparent 36%),
                repeating-linear-gradient(135deg, rgba(255,255,255,.045) 0 1px, transparent 1px 18px);
            pointer-events: none;
        }

        .brand-panel::after {
            content: "";
            position: absolute;
            inset: auto 0 0 0;
            height: 38%;
            background: linear-gradient(0deg, rgba(0,0,0,.24), transparent);
            pointer-events: none;
        }

        .panel-top { text-align: center; position: relative; z-index: 1; }

        .panel-logo {
            width: 104px; height: 104px;
            object-fit: contain;
            border-radius: 50%;
            border: 3px solid rgba(255,255,255,.25);
            padding: 6px;
            background: rgba(255,255,255,.14);
            box-shadow: 0 14px 42px rgba(0,0,0,.34), inset 0 1px 0 rgba(255,255,255,.22);
            margin-bottom: 18px;
        }

        .panel-title {
            font-size: 1.55rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 8px;
        }

        .panel-sub {
            font-size: .8rem;
            color: rgba(255,255,255,.72);
            letter-spacing: .12em;
            text-transform: uppercase;
        }

        /* trust bullets */
        .trust-list {
            list-style: none;
            position: relative;
            z-index: 1;
            width: 100%;
        }

        .trust-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,.10);
            color: rgba(255,255,255,.84);
            font-size: .82rem;
        }

        .trust-list li:last-child { border-bottom: none; }

        .trust-icon {
            flex-shrink: 0;
            width: 32px; height: 32px;
            border-radius: 8px;
            background: rgba(255,255,255,.14);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .95rem;
            color: #75eadb;
            box-shadow: inset 0 1px 0 rgba(255,255,255,.14);
        }

        .trust-text strong {
            display: block;
            font-size: .82rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1px;
        }

        /* panel footer */
        .panel-footer {
            font-size: .72rem;
            color: rgba(255,255,255,.48);
            text-align: center;
            position: relative;
            z-index: 1;
        }

        /* ========================================
           RIGHT PANEL (FORM)
        ======================================== */
        .form-panel {
            flex: 1;
            padding: 52px 52px 42px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .form-brand-mobile {
            display: none;
            align-items: center;
            gap: 12px;
            margin-bottom: 26px;
        }

        .form-brand-mobile img {
            width: 52px;
            height: 52px;
            object-fit: contain;
            border-radius: 50%;
            border: 1px solid var(--border);
            padding: 4px;
            background: #fff;
        }

        .form-brand-mobile strong {
            display: block;
            font-size: .98rem;
            line-height: 1.15;
        }

        .form-brand-mobile span {
            color: var(--muted);
            font-size: .78rem;
        }

        .form-heading {
            font-size: 1.78rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 4px;
        }

        .form-sub {
            font-size: .83rem;
            color: var(--muted);
            margin-bottom: 28px;
        }

        /* ---------------------------------------- Input ---------------------------------------- */
        .field-wrap {
            position: relative;
            margin-bottom: 16px;
        }

        .field-wrap label {
            font-size: .75rem;
            font-weight: 600;
            color: var(--muted);
            text-transform: uppercase;
            letter-spacing: .5px;
            display: block;
            margin-bottom: 6px;
        }

        .icon-input { position: relative; }

        .icon-input .fi {
            position: absolute;
            left: 13px; top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            font-size: .95rem;
            pointer-events: none;
            z-index: 3;
        }

        .form-control {
            width: 100%;
            padding: 0 38px;
            height: 46px;
            border: 1px solid var(--border);
            border-radius: 12px;
            font-size: .9rem;
            font-family: inherit;
            background: #f8fafc;
            color: var(--text);
            transition: border-color .2s, box-shadow .2s, background .2s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(74,23,104,.10), 0 10px 22px rgba(23,32,51,.06);
            background: #fff;
        }

        #togglePassword {
            position: absolute;
            right: 13px; top: 50%;
            transform: translateY(-50%);
            color: var(--muted);
            cursor: pointer;
            font-size: 1rem;
            z-index: 4;
            transition: color .2s;
        }

        #togglePassword:hover { color: var(--brand); }

        /* ---------------------------------------- Divider ---------------------------------------- */
        .section-divider {
            height: 1px;
            background: var(--border);
            margin: 18px 0;
        }

        /* ---------------------------------------- Captcha ---------------------------------------- */
        .captcha-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .captcha-box {
            flex: 1;
            background: linear-gradient(135deg, #fbf6fe, #ecfbf8);
            border: 1px dashed #cdb7da;
            border-radius: 12px;
            padding: 10px 14px;
            font-family: 'Courier New', monospace;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: 7px;
            text-align: center;
            color: var(--brand);
            user-select: none;
            position: relative;
            overflow: hidden;
        }

        .captcha-box::after {
            content: "";
            position: absolute; inset: 0;
            background: repeating-linear-gradient(
                -45deg, transparent, transparent 4px,
                rgba(74,23,104,.035) 4px, rgba(74,23,104,.035) 8px);
            pointer-events: none;
        }

        .btn-refresh {
            flex-shrink: 0;
            width: 40px; height: 40px;
            border-radius: 12px;
            border: 1px solid var(--border);
            background: #fff;
            color: var(--muted);
            display: flex; align-items: center; justify-content: center;
            font-size: 1rem;
            cursor: pointer;
            transition: all .2s;
        }

        .btn-refresh:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: rgba(74,23,104,.06);
        }

        .btn-refresh.spinning i { animation: spin .5s linear; }

        @keyframes spin { to { transform: rotate(360deg); } }

        .captcha-timer {
            font-size: .74rem;
            color: var(--muted);
            text-align: right;
            margin-top: 4px;
        }

        .captcha-timer #captchaCountdown { font-weight: 600; }
        .captcha-timer #captchaCountdown.urgent { color: var(--danger); }

        /* ---------------------------------------- Alerts ---------------------------------------- */
        .alert {
            border-radius: 12px;
            font-size: .82rem;
            padding: 10px 14px;
            border: none;
            margin-bottom: 16px;
        }

        .alert-danger  { background:#fff0f1; color:#b91c2c; border-left:3px solid #dc3545; }
        .alert-warning { background:var(--warn-bg); color:var(--warn-txt); border-left:3px solid var(--warn-bdr); }

        /* ---------------------------------------- Attempts badge ---------------------------------------- */
        .attempts-badge {
            display: inline-flex;
            align-items: center; gap: 5px;
            background: var(--warn-bg);
            color: var(--warn-txt);
            border: 1px solid var(--warn-bdr);
            border-radius: 999px;
            font-size: .74rem; font-weight: 600;
            padding: 3px 10px;
            margin-top: 6px;
        }

        /* ---------------------------------------- Lock card ---------------------------------------- */
        .lock-card {
            background: #fff8e1;
            border: 1.5px solid #ffd54f;
            border-radius: 12px;
            padding: 28px 20px;
            text-align: center;
            color: var(--warn-txt);
        }

        .lock-icon  { font-size: 2.4rem; display: block; margin-bottom: 10px; }
        .lock-title { font-weight: 700; font-size: 1rem; margin-bottom: 4px; }
        .lock-sub   { font-size: .84rem; opacity: .85; }
        #countdown  { font-weight: 700; font-size: 1.1rem; color: #b45309; }

        /* ---------------------------------------- Submit button ---------------------------------------- */
        .btn-brand {
            width: 100%;
            height: 48px;
            background: linear-gradient(135deg, var(--brand) 0%, #6d2d86 58%, var(--accent) 100%);
            border: none;
            border-radius: 12px;
            font-weight: 700; font-size: .96rem;
            color: #fff;
            cursor: pointer;
            box-shadow: 0 16px 30px rgba(74,23,104,.24), 0 4px 10px rgba(18,168,146,.14);
            transition: opacity .2s, transform .15s, box-shadow .2s;
            position: relative; overflow: hidden;
            margin-top: 6px;
        }

        .btn-brand::after {
            content: "";
            position: absolute; inset: 0;
            background: rgba(255,255,255,0);
            transition: background .2s;
        }

        .btn-brand:hover::after  { background: rgba(255,255,255,.08); }
        .btn-brand:hover { box-shadow: 0 20px 38px rgba(74,23,104,.29), 0 6px 14px rgba(18,168,146,.18); transform: translateY(-1px); }
        .btn-brand:active::after { background: rgba(0,0,0,.06); }
        .btn-brand:disabled      { opacity: .7; cursor: not-allowed; }

        /* ---------------------------------------- Form footer ---------------------------------------- */
        .form-footer {
            font-size: .73rem;
            color: #8a96a8;
            text-align: center;
            padding-top: 18px;
            margin-top: 18px;
            border-top: 1px solid var(--border);
        }

        /* ---------------------------------------- Shake ---------------------------------------- */
        .shake {
            animation: shake .4s cubic-bezier(.36,.07,.19,.97) both;
        }

        @keyframes shake {
            10%,90% { transform:translateX(-2px); }
            20%,80% { transform:translateX(4px);  }
            30%,70% { transform:translateX(-4px); }
            40%,60% { transform:translateX(4px);  }
            50%      { transform:translateX(-2px); }
        }

        /* ========================================
           RESPONSIVE — collapse left panel
        ======================================== */
        @media (max-width: 760px) {
            .brand-panel { display: none; }
            .form-panel  { padding: 34px 24px 28px; }
            .form-brand-mobile { display: flex; }
            .login-wrapper { max-width: 430px; min-height: 0; }
            body { padding: 18px 12px; align-items: flex-start; }
        }

        @media (max-width: 420px) {
            .captcha-row { gap: 8px; }
            .captcha-box { letter-spacing: 5px; font-size: 1.15rem; }
            .form-heading { font-size: 1.45rem; }
        }