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

        :root {
            --primary: #a855f7;
            --primary-dark: #7c3aed;
            --primary-glow: rgba(168, 85, 247, 0.4);
            --secondary: #06b6d4;
            --accent: #f0abfc;
            --bg-deep: #0a0010;
            --glass-bg: rgba(255, 255, 255, 0.04);
            --glass-border: rgba(168, 85, 247, 0.25);
            --text-primary: #f5f0ff;
            --text-secondary: rgba(245, 240, 255, 0.55);
            --input-bg: rgba(255, 255, 255, 0.05);
            --input-border: rgba(168, 85, 247, 0.3);
            --error: #f87171;
            --success: #34d399
        }

        html,
        body {
            min-height: 100vh;
            font-family: 'Outfit', sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary)
        }

        .bg-scene {
            position: fixed;
            inset: 0;
            z-index: 0;
            background: radial-gradient(ellipse 80% 70% at 20% 80%, rgba(124, 58, 237, .25) 0%, transparent 60%), radial-gradient(ellipse 60% 50% at 80% 20%, rgba(6, 182, 212, .15) 0%, transparent 60%), linear-gradient(160deg, #0a0010 0%, #120020 50%, #0d0018 100%)
        }

        .smoke {
            position: absolute;
            border-radius: 50%;
            filter: blur(60px);
            opacity: 0;
            animation: float-up linear infinite;
            pointer-events: none
        }

        .smoke:nth-child(1) {
            width: 300px;
            height: 300px;
            background: rgba(168, 85, 247, .12);
            left: 10%;
            animation-duration: 12s;
            animation-delay: 0s
        }

        .smoke:nth-child(2) {
            width: 200px;
            height: 200px;
            background: rgba(6, 182, 212, .10);
            left: 35%;
            animation-duration: 15s;
            animation-delay: 3s
        }

        .smoke:nth-child(3) {
            width: 250px;
            height: 250px;
            background: rgba(168, 85, 247, .08);
            left: 60%;
            animation-duration: 10s;
            animation-delay: 6s
        }

        .smoke:nth-child(4) {
            width: 180px;
            height: 180px;
            background: rgba(240, 171, 252, .10);
            left: 80%;
            animation-duration: 18s;
            animation-delay: 1s
        }

        .smoke:nth-child(5) {
            width: 350px;
            height: 350px;
            background: rgba(124, 58, 237, .07);
            left: 50%;
            animation-duration: 20s;
            animation-delay: 9s
        }

        @keyframes float-up {
            0% {
                transform: translateY(110vh) scale(.6);
                opacity: 0
            }

            15% {
                opacity: 1
            }

            85% {
                opacity: .6
            }

            100% {
                transform: translateY(-20vh) scale(1.4);
                opacity: 0
            }
        }

        .bg-grid {
            position: fixed;
            inset: 0;
            z-index: 0;
            background-image: linear-gradient(rgba(168, 85, 247, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(168, 85, 247, .04) 1px, transparent 1px);
            background-size: 60px 60px
        }

        main {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 100dvh;
            padding: 32px 16px;
            box-sizing: border-box
        }

        .card {
            width: 100%;
            max-width: 460px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: 28px;
            padding: 48px 40px 44px;
            backdrop-filter: blur(32px) saturate(1.4);
            -webkit-backdrop-filter: blur(32px) saturate(1.4);
            box-shadow: 0 0 0 1px rgba(168, 85, 247, .08), 0 32px 80px rgba(0, 0, 0, .6), 0 0 60px rgba(168, 85, 247, .06) inset;
            animation: card-in .7s cubic-bezier(.22, 1, .36, 1) both
        }

        @keyframes card-in {
            from {
                opacity: 0;
                transform: translateY(28px) scale(.97)
            }

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

        .brand {
            text-align: center;
            margin-bottom: 32px
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 68px;
            height: 68px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            box-shadow: 0 8px 32px var(--primary-glow), 0 0 0 1px rgba(168, 85, 247, .3);
            margin-bottom: 18px;
            position: relative
        }

        .brand-icon::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 20px;
            background: linear-gradient(135deg, rgba(255, 255, 255, .15), transparent)
        }

        .brand-icon svg {
            width: 36px;
            height: 36px;
            fill: #fff;
            position: relative;
            z-index: 1
        }

        .brand-name {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -.5px;
            background: linear-gradient(90deg, #e9d5ff, #a855f7, #06b6d4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text
        }

        .brand-tagline {
            font-size: .82rem;
            color: var(--text-secondary);
            margin-top: 4px;
            letter-spacing: .5px
        }

        .card-title {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 6px
        }

        .card-subtitle {
            font-size: .85rem;
            color: var(--text-secondary);
            margin-bottom: 28px
        }

        .form-group {
            margin-bottom: 16px;
            position: relative
        }

        label {
            display: block;
            font-size: .8rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
            letter-spacing: .4px;
            text-transform: uppercase
        }

        .input-wrapper {
            position: relative;
            display: flex;
            align-items: center
        }

        .input-icon {
            position: absolute;
            left: 14px;
            display: flex;
            align-items: center;
            color: var(--text-secondary);
            pointer-events: none;
            transition: color .2s
        }

        .input-icon svg {
            width: 18px;
            height: 18px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.7
        }

        .input-wrapper:focus-within .input-icon {
            color: var(--primary)
        }

        input[type="email"],
        input[type="password"],
        input[type="text"],
        input[type="date"] {
            width: 100%;
            background: var(--input-bg);
            border: 1px solid var(--input-border);
            border-radius: 12px;
            padding: 13px 44px;
            font-family: 'Outfit', sans-serif;
            font-size: .95rem;
            color: var(--text-primary);
            outline: none;
            transition: border-color .25s, box-shadow .25s, background .25s;
            appearance: none
        }

        input::placeholder {
            color: rgba(245, 240, 255, .28)
        }

        input:focus {
            border-color: var(--primary);
            background: rgba(168, 85, 247, .06);
            box-shadow: 0 0 0 3px rgba(168, 85, 247, .15)
        }

        input.has-error {
            border-color: var(--error) !important;
            box-shadow: 0 0 0 3px rgba(248, 113, 113, .12) !important
        }

        .toggle-pass {
            position: absolute;
            right: 14px;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            padding: 4px;
            border-radius: 6px;
            transition: color .2s
        }

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

        .toggle-pass svg {
            width: 18px;
            height: 18px;
            stroke: currentColor;
            fill: none;
            stroke-width: 1.7
        }

        .strength-bar {
            display: flex;
            gap: 4px;
            margin-top: 8px
        }

        .strength-seg {
            flex: 1;
            height: 3px;
            border-radius: 99px;
            background: rgba(255, 255, 255, .1);
            transition: background .3s
        }

        .strength-seg.weak {
            background: #f87171
        }

        .strength-seg.medium {
            background: #fbbf24
        }

        .strength-seg.strong {
            background: var(--success)
        }

        .strength-text {
            font-size: .72rem;
            color: var(--text-secondary);
            margin-top: 4px
        }

        .terms-check {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 20px;
            cursor: pointer;
            user-select: none
        }

        .terms-check input[type="checkbox"] {
            appearance: none;
            -webkit-appearance: none;
            width: 20px;
            height: 20px;
            min-width: 20px;
            border: 1.5px solid var(--input-border);
            border-radius: 6px;
            background: var(--input-bg);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0;
            margin-top: 1px;
            transition: background .2s, border-color .2s
        }

        .terms-check input[type="checkbox"]:checked {
            background: var(--primary);
            border-color: var(--primary)
        }

        .terms-check input[type="checkbox"]:checked::after {
            content: '';
            display: block;
            width: 5px;
            height: 9px;
            border: 2px solid #fff;
            border-top: none;
            border-left: none;
            transform: rotate(45deg) translate(1px, -2px);
            margin: auto
        }

        .terms-check span {
            font-size: .83rem;
            color: var(--text-secondary);
            line-height: 1.5
        }

        .terms-check a {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            transition: color .2s
        }

        .terms-check a:hover {
            color: var(--primary)
        }

        .btn-register {
            width: 100%;
            padding: 14px;
            border: none;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: #fff;
            font-family: 'Outfit', sans-serif;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            position: relative;
            transition: transform .18s, box-shadow .18s;
            box-shadow: 0 4px 24px rgba(168, 85, 247, .35), 0 0 0 1px rgba(168, 85, 247, .2)
        }

        .btn-register::before {
            content: '';
            position: absolute;
            inset: 0;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(255, 255, 255, .15), transparent);
            opacity: 0;
            transition: opacity .2s
        }

        .btn-register:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 36px rgba(168, 85, 247, .5)
        }

        .btn-register:hover::before {
            opacity: 1
        }

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

        .btn-register.loading {
            pointer-events: none
        }

        .btn-register .btn-text {
            transition: opacity .2s
        }

        .btn-register .btn-spinner {
            display: none;
            width: 20px;
            height: 20px;
            border: 2.5px solid rgba(255, 255, 255, .3);
            border-top-color: #fff;
            border-radius: 50%;
            animation: spin .7s linear infinite;
            position: absolute;
            left: 50%;
            top: 50%;
            transform: translate(-50%, -50%)
        }

        .btn-register.loading .btn-text {
            opacity: 0
        }

        .btn-register.loading .btn-spinner {
            display: block
        }

        @keyframes spin {
            to {
                transform: translate(-50%, -50%) rotate(360deg)
            }
        }

        .divider {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 24px 0;
            color: var(--text-secondary);
            font-size: .78rem
        }

        .divider::before,
        .divider::after {
            content: '';
            flex: 1;
            height: 1px;
            background: rgba(168, 85, 247, .2)
        }

        .social-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-bottom: 24px
        }

        .btn-social {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px;
            border: 1px solid var(--glass-border);
            border-radius: 10px;
            background: var(--glass-bg);
            color: var(--text-primary);
            font-family: 'Outfit', sans-serif;
            font-size: .84rem;
            font-weight: 500;
            cursor: pointer;
            transition: background .2s, border-color .2s, transform .15s
        }

        .btn-social:hover {
            background: rgba(168, 85, 247, .08);
            border-color: var(--primary);
            transform: translateY(-1px)
        }

        .btn-social svg {
            width: 18px;
            height: 18px
        }

        .login-cta {
            text-align: center;
            font-size: .85rem;
            color: var(--text-secondary)
        }

        .login-cta a {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
            margin-left: 4px;
            transition: color .2s
        }

        .login-cta a:hover {
            color: var(--primary)
        }

        .age-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
            padding: 10px 14px;
            background: rgba(168, 85, 247, .07);
            border: 1px solid rgba(168, 85, 247, .15);
            border-radius: 10px;
            font-size: .75rem;
            color: var(--text-secondary);
            line-height: 1.4
        }

        .age-badge svg {
            flex-shrink: 0;
            width: 16px;
            height: 16px;
            stroke: var(--primary);
            fill: none;
            stroke-width: 2
        }

        .error-msg {
            font-size: .78rem;
            color: var(--error);
            margin-top: 6px;
            display: none
        }

        .error-msg.visible {
            display: block;
            animation: shake .35s ease
        }

        @keyframes shake {

            0%,
            100% {
                transform: translateX(0)
            }

            25% {
                transform: translateX(-6px)
            }

            75% {
                transform: translateX(6px)
            }
        }

        @media(min-width:481px) and (max-width:768px) {
            .card {
                max-width: 460px;
                padding: 40px 32px 36px;
                border-radius: 24px
            }

            .brand-name {
                font-size: 1.7rem
            }
        }

        @media(max-width:480px) {
            .card {
                width: 100%;
                max-width: 100%;
                padding: 32px 20px 28px;
                border-radius: 20px
            }

            .brand-icon {
                width: 56px;
                height: 56px;
                border-radius: 16px;
                margin-bottom: 14px
            }

            .brand-icon svg {
                width: 28px;
                height: 28px
            }

            .brand-name {
                font-size: 1.55rem
            }

            .brand {
                margin-bottom: 22px
            }

            .card-title {
                font-size: 1.2rem
            }

            .card-subtitle {
                font-size: .82rem;
                margin-bottom: 20px
            }

            input[type='email'],
            input[type='password'],
            input[type='text'],
            input[type='date'] {
                font-size: .9rem;
                padding: 12px 44px
            }

            .btn-register {
                padding: 13px;
                font-size: .95rem
            }

            .social-grid {
                grid-template-columns: 1fr
            }

            .btn-social {
                padding: 12px;
                font-size: .88rem
            }

            .age-badge {
                font-size: .72rem;
                padding: 9px 12px
            }
        }

        @media(max-width:360px) {
            main {
                padding: 12px 10px
            }

            .card {
                padding: 28px 16px 24px;
                border-radius: 16px
            }

            .brand-icon {
                width: 48px;
                height: 48px;
                border-radius: 14px
            }

            .brand-icon svg {
                width: 24px;
                height: 24px
            }

            .brand-name {
                font-size: 1.35rem
            }

            .card-title {
                font-size: 1.1rem
            }

            input[type='email'],
            input[type='password'],
            input[type='text'],
            input[type='date'] {
                font-size: .85rem;
                padding: 11px 40px
            }

            .input-icon {
                left: 11px
            }
        }

        /* =========================================
   ESTILOS DEL MODAL "PRÓXIMAMENTE"
   ========================================= */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(10, 0, 16, 0.85);
            /* Fondo oscuro semitransparente */
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            z-index: 100;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            /* Oculto por defecto */
            transition: opacity 0.3s ease;
        }

        .modal-overlay.open {
            opacity: 1;
            pointer-events: auto;
            /* Se muestra al añadir la clase .open */
        }

        .modal-content {
            background: #150a21;
            /* Color de fondo oscuro similar a tu imagen */
            border: 1px solid rgba(168, 85, 247, 0.2);
            border-radius: 20px;
            width: 90%;
            max-width: 400px;
            padding: 32px 24px;
            position: relative;
            text-align: center;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
            transform: translateY(20px);
            transition: transform 0.3s ease;
        }

        .modal-overlay.open .modal-content {
            transform: translateY(0);
        }

        .modal-close {
            position: absolute;
            top: 16px;
            right: 16px;
            background: rgba(255, 255, 255, 0.05);
            border: none;
            color: var(--text-secondary);
            font-size: 1.2rem;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            cursor: pointer;
            transition: background 0.2s, color 0.2s;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-close:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--text-primary);
        }

        .modal-icon-container {
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, #a855f7, #06b6d4);
            border-radius: 50%;
            margin: 0 auto 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            box-shadow: 0 0 20px rgba(168, 85, 247, 0.4);
        }

        .modal-title {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #ffffff;
        }

        .modal-provider-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .modal-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 24px;
        }

        .modal-steps-box {
            background: rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            padding: 16px 16px 16px 32px;
            text-align: left;
            margin-bottom: 24px;
        }

        .modal-steps-box ul {
            margin: 0;
            padding: 0;
            color: var(--text-secondary);
            font-size: 0.8rem;
            line-height: 1.6;
        }

        .modal-steps-box li {
            margin-bottom: 8px;
        }

        .modal-steps-box li:last-child {
            margin-bottom: 0;
        }

        .modal-steps-box code {
            background: rgba(168, 85, 247, 0.15);
            color: #d8b4fe;
            padding: 2px 6px;
            border-radius: 4px;
            font-family: monospace;
        }

        .modal-btn-entendido {
            width: 100%;
            padding: 14px;
            border: none;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-family: 'Outfit', sans-serif;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.2s, transform 0.15s;
        }

        .modal-btn-entendido:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }