/* ── Reset & base ───────────────────────────────────────── */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

    :root {
        --bg:         #0a0d14;
        --hex-stroke: rgba(102, 126, 234, 0.18);
        --hex-glow:   rgba(102, 126, 234, 0.07);
        --primary:    #667eea;
        --primary-h:  #7f96f5;
        --accent:     #00d4aa;
        --danger:     #ff4d6d;
        --card-bg:    rgba(255, 255, 255, 0.04);
        --card-border:rgba(255, 255, 255, 0.09);
        --text:       #e8eaf6;
        --muted:      rgba(232, 234, 246, 0.45);
        --input-bg:   rgba(255,255,255,0.06);
        --input-border:rgba(255,255,255,0.12);
        --shadow:     0 32px 80px rgba(0,0,0,0.7);
    }

    html, body {
        height: 100%;
        background: var(--bg);
        color: var(--text);
        font-family: 'DM Sans', sans-serif;
        overflow: hidden;
    }

    /* ── Canvas hexagonal ───────────────────────────────────── */
    #hexCanvas {
        position: fixed;
        inset: 0;
        width: 100%;
        height: 100%;
        z-index: 0;
    }

    /* ── Vignette overlay ───────────────────────────────────── */
    .vignette {
        position: fixed;
        inset: 0;
        z-index: 1;
        background: radial-gradient(
            ellipse 70% 70% at 50% 50%,
            transparent 30%,
            rgba(10, 13, 20, 0.75) 80%,
            rgba(10, 13, 20, 0.95) 100%
        );
        pointer-events: none;
    }

    /* ── Centered layout ────────────────────────────────────── */
    .stage {
        position: relative;
        z-index: 2;
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 24px 16px;
    }

    /* ── Glass card ─────────────────────────────────────────── */
    .card {
        width: 100%;
        max-width: 420px;
        background: var(--card-bg);
        border: 1px solid var(--card-border);
        border-radius: 24px;
        padding: 44px 40px 40px;
        box-shadow: var(--shadow),
                    inset 0 1px 0 rgba(255,255,255,0.08);
        backdrop-filter: blur(24px) saturate(160%);
        -webkit-backdrop-filter: blur(24px) saturate(160%);

        animation: cardIn 0.6s cubic-bezier(0.22, 1, 0.36, 1) forwards;
        opacity: 0;
        transform: translateY(28px);
    }

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

    /* ── Logo ───────────────────────────────────────────────── */
    .logo-wrap {
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-bottom: 36px;
        gap: 14px;
    }

    .logo-icon {
        width: 64px;
        height: 64px;
        background: transparent;
        border-radius: 18px;
        display: flex;
        align-items: center;
        justify-content: center;
        box-shadow: 0 0 0 1px rgba(102,126,234,0.3),
                    0 8px 32px rgba(102,126,234,0.35);
        animation: logoPulse 3s ease-in-out infinite;
    }

    @keyframes logoPulse {
        0%, 100% { box-shadow: 0 0 0 1px rgba(102,126,234,0.3), 0 8px 32px rgba(102,126,234,0.35); }
        50%       { box-shadow: 0 0 0 4px rgba(102,126,234,0.15), 0 8px 48px rgba(0,212,170,0.45); }
    }

   .imagen_logo{
    width: 84%;
   }

    .logo-name {
        font-family: 'Syne', sans-serif;
        font-size: 24px;
        font-weight: 800;
        letter-spacing: -0.5px;
        background: linear-gradient(135deg, #e8eaf6 30%, var(--accent) 100%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        line-height: 1;
    }

    .logo-sub {
        font-size: 12px;
        font-weight: 400;
        color: var(--muted);
        letter-spacing: 0.8px;
        text-transform: uppercase;
        font-family: 'DM Mono', monospace;
    }

    /* ── Título ─────────────────────────────────────────────── */
    .card-title {
        font-family: 'Syne', sans-serif;
        font-size: 19px;
        font-weight: 700;
        color: var(--text);
        margin-bottom: 6px;
        letter-spacing: -0.3px;
    }

    .card-sub {
        font-size: 13px;
        color: var(--muted);
        margin-bottom: 28px;
        line-height: 1.5;
    }

    /* ── Form ───────────────────────────────────────────────── */
    .field {
        margin-bottom: 16px;
        position: relative;
    }

    .field label {
        display: block;
        font-size: 11px;
        font-weight: 500;
        letter-spacing: 0.8px;
        text-transform: uppercase;
        color: var(--muted);
        margin-bottom: 8px;
        font-family: 'DM Mono', monospace;
    }

    .field-input-wrap {
        position: relative;
    }

    .field-icon {
        position: absolute;
        left: 14px;
        top: 50%;
        transform: translateY(-50%);
        width: 16px;
        height: 16px;
        color: var(--muted);
        pointer-events: none;
        transition: color 0.2s;
    }

    .field input {
        width: 100%;
        padding: 13px 14px 13px 42px;
        background: var(--input-bg);
        border: 1px solid var(--input-border);
        border-radius: 12px;
        color: var(--text);
        font-size: 14.5px;
        font-family: 'DM Sans', sans-serif;
        outline: none;
        transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
        -webkit-text-fill-color: var(--text);
        caret-color: var(--primary);
    }

    .field input::placeholder {
        color: rgba(232,234,246,0.25);
        -webkit-text-fill-color: rgba(232,234,246,0.25);
    }

    .field input:focus {
        border-color: var(--primary);
        background: rgba(102,126,234,0.08);
        box-shadow: 0 0 0 3px rgba(102,126,234,0.18);
    }

    .field input:focus + .field-icon,
    .field-input-wrap:focus-within .field-icon {
        color: var(--primary);
    }

    /* ── Toggle password ────────────────────────────────────── */
    .toggle-pass {
        position: absolute;
        right: 14px;
        top: 50%;
        transform: translateY(-50%);
        background: none;
        border: none;
        color: var(--muted);
        cursor: pointer;
        padding: 4px;
        border-radius: 6px;
        display: flex;
        align-items: center;
        transition: color 0.2s;
        -webkit-tap-highlight-color: transparent;
    }

    .toggle-pass:hover { color: var(--text); }

    /* ── Error banner ───────────────────────────────────────── */
    .error-banner {
        display: none;
        align-items: center;
        gap: 10px;
        padding: 12px 14px;
        background: rgba(255, 77, 109, 0.12);
        border: 1px solid rgba(255, 77, 109, 0.3);
        border-radius: 10px;
        margin-bottom: 18px;
        font-size: 13.5px;
        color: #ff8fa3;
        animation: shakeIn 0.45s cubic-bezier(0.36, 0.07, 0.19, 0.97) forwards;
    }

    .error-banner.visible { display: flex; }

    @keyframes shakeIn {
        0%   { transform: translateX(0); }
        15%  { transform: translateX(-7px); }
        30%  { transform: translateX(6px); }
        45%  { transform: translateX(-5px); }
        60%  { transform: translateX(4px); }
        75%  { transform: translateX(-3px); }
        90%  { transform: translateX(2px); }
        100% { transform: translateX(0); }
    }

    .error-icon {
        flex-shrink: 0;
        width: 18px;
        height: 18px;
        color: var(--danger);
    }

    /* Input en estado error */
    .field.has-error input {
        border-color: rgba(255,77,109,0.5);
        background: rgba(255,77,109,0.06);
    }

    /* ── Submit ─────────────────────────────────────────────── */
    .btn-submit {
        width: 100%;
        padding: 14px;
        background: linear-gradient(135deg, var(--primary) 0%, #5a6fd6 100%);
        border: none;
        border-radius: 12px;
        color: #ffffff;
        font-family: 'DM Sans', sans-serif;
        font-size: 15px;
        font-weight: 500;
        cursor: pointer;
        margin-top: 8px;
        transition: transform 0.15s ease, box-shadow 0.15s ease, opacity 0.15s;
        box-shadow: 0 4px 20px rgba(102,126,234,0.4);
        position: relative;
        overflow: hidden;
        letter-spacing: 0.2px;
    }

    .btn-submit::before {
        content: '';
        position: absolute;
        inset: 0;
        background: rgba(255,255,255,0);
        transition: background 0.2s;
    }

    .btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(102,126,234,0.5); }
    .btn-submit:active { transform: translateY(0); }

    .btn-submit:disabled {
        opacity: 0.6;
        cursor: not-allowed;
        transform: none;
    }

    .btn-submit .spinner {
        display: none;
        width: 16px;
        height: 16px;
        border: 2px solid rgba(255,255,255,0.3);
        border-top-color: #fff;
        border-radius: 50%;
        animation: spin 0.7s linear infinite;
        margin: 0 auto;
    }

    .btn-submit.loading .btn-text { display: none; }
    .btn-submit.loading .spinner  { display: block; }

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

    /* ── Link recuperar ─────────────────────────────────────── */
    .forgot-link {
        text-align: center;
        margin-top: 20px;
    }

    .forgot-link a {
        color: var(--muted);
        font-size: 13px;
        text-decoration: none;
        transition: color 0.2s;
    }

    .forgot-link a:hover { color: var(--primary-h); }

    /* ── Footer ─────────────────────────────────────────────── */
    .card-footer {
        margin-top: 32px;
        padding-top: 20px;
        border-top: 1px solid rgba(255,255,255,0.06);
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        font-size: 11px;
        color: rgba(232,234,246,0.2);
        font-family: 'DM Mono', monospace;
        letter-spacing: 0.5px;
    }

    .status-dot {
        width: 6px; height: 6px;
        border-radius: 50%;
        background: var(--accent);
        box-shadow: 0 0 6px var(--accent);
        animation: blink 2s ease-in-out infinite;
    }

    @keyframes blink {
        0%, 100% { opacity: 1; }
        50%       { opacity: 0.3; }
    }

    /* ── Modals recuperar contraseña ────────────────────────── */
    .modal-overlay {
        display: none;
        position: fixed;
        inset: 0;
        z-index: 100;
        background: rgba(10,13,20,0.8);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        align-items: center;
        justify-content: center;
        padding: 20px;
    }

    .modal-overlay.open {
        display: flex;
        animation: fadeIn 0.25s ease forwards;
    }

    @keyframes fadeIn { from { opacity:0; } to { opacity:1; } }

    .modal-box {
        background: #131722;
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: 20px;
        padding: 36px 32px 28px;
        width: 100%;
        max-width: 380px;
        box-shadow: 0 24px 80px rgba(0,0,0,0.8);
        animation: slideUp 0.3s cubic-bezier(0.22, 1, 0.36, 1) forwards;
    }

    @keyframes slideUp { from { transform: translateY(20px); opacity:0; } to { transform:translateY(0); opacity:1; } }

    .modal-box h3 {
        font-family: 'Syne', sans-serif;
        font-size: 18px;
        font-weight: 700;
        margin-bottom: 6px;
        color: var(--text);
    }

    .modal-box p {
        font-size: 13px;
        color: var(--muted);
        margin-bottom: 24px;
        line-height: 1.5;
    }

    .modal-box .field input {
        background: rgba(255,255,255,0.05);
    }

    .modal-msg {
        margin-top: 12px;
        padding: 10px 14px;
        border-radius: 8px;
        font-size: 13px;
        display: none;
    }

    .modal-msg.ok  { background:rgba(0,212,170,0.12); color:#00d4aa; border:1px solid rgba(0,212,170,0.25); display:block; }
    .modal-msg.err { background:rgba(255,77,109,0.12); color:#ff8fa3; border:1px solid rgba(255,77,109,0.25); display:block; }

    .modal-close {
        position: absolute;
        top: 16px; right: 16px;
        background: rgba(255,255,255,0.06);
        border: none;
        color: var(--muted);
        width: 30px; height: 30px;
        border-radius: 50%;
        cursor: pointer;
        display: flex; align-items: center; justify-content: center;
        font-size: 18px;
        transition: background 0.2s, color 0.2s;
    }

    .modal-close:hover { background: rgba(255,77,109,0.15); color: var(--danger); }
    .modal-box { position: relative; }

    /* Code input (verificar código) */
    .code-input {
        text-align: center !important;
        font-family: 'DM Mono', monospace !important;
        font-size: 28px !important;
        letter-spacing: 14px !important;
        padding-left: 28px !important;
    }

    .modal-actions {
        display: flex;
        gap: 10px;
        margin-top: 20px;
    }

    .btn-modal-cancel {
        flex: 1;
        padding: 12px;
        background: transparent;
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: 10px;
        color: var(--muted);
        font-family: 'DM Sans', sans-serif;
        font-size: 14px;
        cursor: pointer;
        transition: border-color 0.2s, color 0.2s;
    }

    .btn-modal-cancel:hover { border-color: rgba(255,255,255,0.25); color: var(--text); }

    .btn-modal-primary {
        flex: 2;
        padding: 12px;
        background: linear-gradient(135deg, var(--primary), #5a6fd6);
        border: none;
        border-radius: 10px;
        color: #fff;
        font-family: 'DM Sans', sans-serif;
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        transition: opacity 0.2s, transform 0.15s;
        box-shadow: 0 4px 16px rgba(102,126,234,0.3);
    }

    .btn-modal-primary:hover { opacity: 0.9; transform: translateY(-1px); }
    .btn-modal-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

    /* ── Mobile ─────────────────────────────────────────────── */
    @media (max-width: 480px) {
        .card { padding: 36px 24px 32px; border-radius: 20px; }
        .logo-icon { width: 56px; height: 56px; }
        .logo-name { font-size: 21px; }
    }