html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}


/* ─────────────── ROOT ─────────────── */
:root {
    --blue: #1a3a8f;
    --blue-dark: #0f2468;
    --blue-mid: #1e4db7;
    --blue-light: #e8edf9;
    --orange: #f5861f;
    --orange-light: #fff5eb;
    --orange-hover: #e07710;
    --green: #2d8a5e;
    --green-light: #edf7f2;
    --white: #ffffff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --red: #ef4444;
    --red-light: #fef2f2;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
    --shadow-xl: 0 30px 80px rgba(0,0,0,0.25);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─────────────── RESET ─────────────── */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'DM Sans', sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(150deg, #0a1228 0%, #0f2468 45%, #7a3a00 100%);
    position: relative;
    overflow-x: hidden;
}

    body::before {
        content: '';
        position: fixed;
        top: -50%;
        right: -30%;
        width: 80%;
        height: 80%;
        background: radial-gradient(circle, rgba(245,134,31,0.08) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

    body::after {
        content: '';
        position: fixed;
        bottom: -40%;
        left: -20%;
        width: 60%;
        height: 60%;
        background: radial-gradient(circle, rgba(26,58,143,0.1) 0%, transparent 70%);
        border-radius: 50%;
        pointer-events: none;
    }

/* ─────────────── LOGIN BOX ─────────────── */
.login-container {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease-out;
}

@@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.login-box {
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px 36px 36px;
    box-shadow: var(--shadow-xl);
    backdrop-filter: blur(20px);
    position: relative;
    overflow: hidden;
}

    .login-box::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, var(--blue), var(--orange));
    }

/* ─────────────── LOGO ─────────────── */
.login-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 6px;
}

    .login-logo svg {
        width: 40px;
        height: 40px;
    }

.login-logo-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 22px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--blue), var(--orange));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-brand {
    text-align: center;
    margin-bottom: 28px;
}

.login-brand-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 11px;
    font-weight: 700;
    color: var(--blue);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 4px;
}

.login-brand-sub {
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 2px;
    font-weight: 500;
}

/* ─────────────── TÍTULO ─────────────── */
.login-header {
    margin-bottom: 24px;
}

.login-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 20px;
    font-weight: 900;
    color: var(--gray-800);
    display: flex;
    align-items: center;
    gap: 8px;
}

    .login-title .badge {
        font-size: 10px;
        font-weight: 700;
        padding: 2px 10px;
        border-radius: 20px;
        background: var(--blue-light);
        color: var(--blue);
        font-family: 'DM Sans', sans-serif;
    }

.login-sub {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 4px;
}

/* ─────────────── TABS ─────────────── */
.login-tabs {
    display: flex;
    gap: 4px;
    background: var(--gray-100);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin-bottom: 24px;
}

.login-tab {
    flex: 1;
    padding: 10px 12px;
    border: none;
    border-radius: 8px;
    font-family: 'DM Sans', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-500);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

    .login-tab:hover {
        color: var(--gray-700);
    }

    .login-tab.active {
        background: var(--white);
        color: var(--blue);
        box-shadow: var(--shadow-sm);
    }

    .login-tab i {
        font-size: 16px;
    }

    .login-tab .tab-badge {
        font-size: 9px;
        font-weight: 700;
        padding: 1px 7px;
        border-radius: 10px;
        background: var(--orange-light);
        color: var(--orange);
    }

        .login-tab .tab-badge.oauth {
            background: #dbeafe;
            color: #1e40af;
        }

/* ─────────────── TABS CONTENT ─────────────── */
.tab-content {
    display: none;
    animation: fadeIn 0.3s ease-out;
}

    .tab-content.active {
        display: block;
    }

@@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

/* ─────────────── ALERTAS ─────────────── */
.alert-error {
    display: none;
    background: var(--red-light);
    border: 1px solid #fecaca;
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 13px;
    color: var(--red);
    margin-bottom: 16px;
    align-items: center;
    gap: 10px;
}

    .alert-error.show {
        display: flex;
    }

    .alert-error i {
        font-size: 20px;
        flex-shrink: 0;
    }

.alert-success {
    display: none;
    background: var(--green-light);
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 13px;
    color: var(--green);
    margin-bottom: 16px;
    align-items: center;
    gap: 10px;
}

    .alert-success.show {
        display: flex;
    }

    .alert-success i {
        font-size: 20px;
        flex-shrink: 0;
    }

/* ─────────────── BOTÓN OAuth2 ─────────────── */
.btn-oauth {
    width: 100%;
    padding: 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Montserrat', sans-serif;
    font-size: 15px;
    font-weight: 800;
    color: var(--white);
    background: linear-gradient(135deg, var(--blue), var(--blue-mid));
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}

    .btn-oauth::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, var(--blue), var(--orange));
        opacity: 0;
        transition: var(--transition);
    }

    .btn-oauth:hover::after {
        opacity: 1;
    }

    .btn-oauth:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 30px rgba(26,58,143,0.35);
        text-decoration: none;
        color: var(--white);
    }

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

    .btn-oauth span,
    .btn-oauth i {
        position: relative;
        z-index: 1;
    }

    .btn-oauth i {
        font-size: 22px;
    }

    .btn-oauth .oauth-icon {
        width: 24px;
        height: 24px;
        background: white;
        border-radius: 4px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 900;
        font-size: 12px;
        color: var(--blue);
        position: relative;
        z-index: 1;
    }

/* ─── INFO OAuth ─── */
.oauth-info {
    background: var(--blue-light);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

    .oauth-info i {
        font-size: 20px;
        color: var(--blue);
        flex-shrink: 0;
        margin-top: 2px;
    }

    .oauth-info p {
        font-size: 13px;
        color: var(--gray-600);
        line-height: 1.5;
        margin: 0;
    }

    .oauth-info strong {
        color: var(--gray-800);
    }

    .oauth-info .oauth-domain {
        display: inline-block;
        font-size: 11px;
        font-weight: 700;
        padding: 2px 10px;
        border-radius: 12px;
        background: var(--blue);
        color: white;
        margin-top: 4px;
    }

/* ─────────────── FORMULARIO CLIENTE ─────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 16px;
}

    .form-group label {
        font-size: 12px;
        font-weight: 700;
        color: var(--gray-700);
        display: flex;
        align-items: center;
        gap: 6px;
    }

        .form-group label i {
            color: var(--gray-400);
            font-size: 14px;
        }

    .form-group .required {
        color: var(--red);
        font-size: 14px;
    }

.input-wrapper {
    position: relative;
}

    .input-wrapper .input-icon {
        position: absolute;
        left: 14px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--gray-400);
        font-size: 18px;
        pointer-events: none;
        transition: var(--transition);
    }

    .input-wrapper input {
        width: 100%;
        padding: 12px 14px 12px 46px;
        border: 2px solid var(--gray-200);
        border-radius: var(--radius-sm);
        font-family: 'DM Sans', sans-serif;
        font-size: 14px;
        color: var(--gray-800);
        background: var(--white);
        outline: none;
        transition: var(--transition);
    }

        .input-wrapper input:focus {
            border-color: var(--blue);
            box-shadow: 0 0 0 4px rgba(26,58,143,0.08);
        }

            .input-wrapper input:focus + .input-icon,
            .input-wrapper input:focus ~ .input-icon {
                color: var(--blue);
            }

        .input-wrapper input::placeholder {
            color: var(--gray-400);
            font-size: 13px;
        }

        .input-wrapper input.input-error {
            border-color: var(--red);
        }

            .input-wrapper input.input-error:focus {
                box-shadow: 0 0 0 4px rgba(239,68,68,0.1);
            }

        .input-wrapper input.input-success {
            border-color: var(--green);
        }

            .input-wrapper input.input-success:focus {
                box-shadow: 0 0 0 4px rgba(45,138,94,0.1);
            }

/* ─────────────── BOTÓN ENVIAR ─────────────── */
.btn-enviar {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Montserrat', sans-serif;
    font-size: 14px;
    font-weight: 800;
    color: var(--white);
    background: linear-gradient(135deg, var(--green), #1a6b44);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    position: relative;
    overflow: hidden;
}

    .btn-enviar::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: linear-gradient(135deg, var(--green), var(--orange));
        opacity: 0;
        transition: var(--transition);
    }

    .btn-enviar:hover::after {
        opacity: 1;
    }

    .btn-enviar:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 25px rgba(45,138,94,0.3);
    }

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

    .btn-enviar span,
    .btn-enviar i {
        position: relative;
        z-index: 1;
    }

    .btn-enviar i {
        font-size: 18px;
    }

    .btn-enviar:disabled {
        opacity: 0.7;
        cursor: not-allowed;
        transform: none !important;
    }

/* ─────────────── INFO ─────────────── */
.cliente-info {
    background: var(--green-light);
    border: 1px solid #bbf7d0;
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

    .cliente-info i {
        font-size: 20px;
        color: var(--green);
        flex-shrink: 0;
        margin-top: 2px;
    }

    .cliente-info p {
        font-size: 13px;
        color: var(--gray-600);
        line-height: 1.5;
        margin: 0;
    }

    .cliente-info strong {
        color: var(--gray-800);
    }

    .cliente-info .info-expiry {
        font-size: 12px;
        color: var(--gray-500);
        margin-top: 4px;
        display: block;
    }

/* ─────────────── CONFIRMACIÓN ─────────────── */
.confirm-box {
    background: var(--blue-light);
    border: 1px solid #bfdbfe;
    border-radius: var(--radius-sm);
    padding: 16px 18px;
    margin-bottom: 16px;
    display: none;
}

    .confirm-box.show {
        display: block;
        animation: fadeIn 0.3s ease-out;
    }

    .confirm-box .email-display {
        font-size: 16px;
        font-weight: 700;
        color: var(--blue);
        padding: 8px 0;
        display: flex;
        align-items: center;
        gap: 10px;
    }

        .confirm-box .email-display i {
            font-size: 20px;
            color: var(--blue);
        }

.confirm-actions {
    display: flex;
    gap: 10px;
    margin-top: 12px;
}

.btn-confirm {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.btn-confirm-yes {
    background: linear-gradient(135deg, var(--green), #1a6b44);
    color: white;
}

    .btn-confirm-yes:hover {
        transform: scale(1.02);
        box-shadow: 0 4px 16px rgba(45,138,94,0.3);
    }

.btn-confirm-no {
    background: var(--gray-100);
    color: var(--gray-600);
}

    .btn-confirm-no:hover {
        background: var(--gray-200);
    }

/* ─────────────── HELP ─────────────── */
.cliente-help {
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 12px;
    color: var(--gray-500);
}

    .cliente-help i {
        color: var(--blue);
        font-size: 18px;
    }

    .cliente-help a {
        color: var(--blue);
        font-weight: 600;
        text-decoration: none;
    }

        .cliente-help a:hover {
            color: var(--orange);
        }

/* ─────────────── FOOTER ─────────────── */
.login-footer {
    margin-top: 24px;
    text-align: center;
    font-size: 12px;
    color: var(--gray-400);
}

    .login-footer a {
        color: var(--gray-500);
        text-decoration: none;
        font-weight: 600;
        transition: var(--transition);
    }

        .login-footer a:hover {
            color: var(--blue);
        }

    .login-footer .divider {
        margin: 0 6px;
        color: var(--gray-200);
    }

/* ─────────────── SPINNER ─────────────── */
.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: var(--white);
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
}

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

/* ─────────────── RESPONSIVE ─────────────── */
@@media (max-width: 480px) {
    .login-box {
        padding: 28px 20px 24px;
    }

    .login-title {
        font-size: 17px;
    }

    .login-tab {
        font-size: 12px;
        padding: 8px 10px;
    }

        .login-tab i {
            font-size: 14px;
        }

    .login-logo-text {
        font-size: 18px;
    }

    .login-logo svg {
        width: 32px;
        height: 32px;
    }

    .cliente-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .oauth-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .confirm-actions {
        flex-direction: column;
    }
}

@@media (max-width: 360px) {
    .login-box {
        padding: 20px 14px 18px;
    }

    .login-tabs {
        flex-direction: column;
    }
}

/* ─────────────── DARK MODE ─────────────── */
@@media (prefers-color-scheme: dark) {
    .login-box {
        background: #1a1a2e;
    }

        .login-box::before {
            background: linear-gradient(90deg, #2d4bc7, var(--orange));
        }

    .login-title {
        color: #e2e8f0;
    }

    .login-sub {
        color: #94a3b8;
    }

    .login-tabs {
        background: #2a2a42;
    }

    .login-tab {
        color: #94a3b8;
    }

        .login-tab.active {
            background: #1a1a2e;
            color: #60a5fa;
        }

        .login-tab .tab-badge.oauth {
            background: #1a3a5a;
            color: #60a5fa;
        }

    .input-wrapper input {
        background: #2a2a42;
        border-color: #3a3a5a;
        color: #e2e8f0;
    }

        .input-wrapper input:focus {
            border-color: #60a5fa;
            box-shadow: 0 0 0 4px rgba(96,165,250,0.1);
        }

        .input-wrapper input::placeholder {
            color: #64748b;
        }

    .oauth-info {
        background: #1a2a4a;
    }

        .oauth-info p {
            color: #94a3b8;
        }

        .oauth-info strong {
            color: #e2e8f0;
        }

    .cliente-info {
        background: #1a3a2a;
        border-color: #2d6a4f;
    }

        .cliente-info p {
            color: #94a3b8;
        }

        .cliente-info strong {
            color: #e2e8f0;
        }

    .cliente-help {
        background: #2a2a42;
    }

        .cliente-help a {
            color: #60a5fa;
        }

    .login-footer {
        color: #64748b;
    }

        .login-footer a {
            color: #94a3b8;
        }

            .login-footer a:hover {
                color: #60a5fa;
            }

    .login-brand-title {
        color: #60a5fa;
    }

    .login-brand-sub {
        color: #64748b;
    }

    .alert-error {
        background: #3a1a1a;
        border-color: #5a2a2a;
        color: #f87171;
    }

    .alert-success {
        background: #1a3a2a;
        border-color: #2d6a4f;
        color: #4ade80;
    }

    .confirm-box {
        background: #1a2a4a;
        border-color: #2d4bc7;
    }

        .confirm-box .email-display {
            color: #60a5fa;
        }

    .btn-confirm-no {
        background: #2a2a42;
        color: #94a3b8;
    }

        .btn-confirm-no:hover {
            background: #3a3a5a;
        }
}