/* =========================================================
   VARIABLES
   ========================================================= */

:root {
    --blue: #1a3a8f;
    --blue-dark: #142c6b;
    --blue-light: #eff6ff;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --green: #16a34a;
    --red: #dc2626;
    --amber: #f59e0b;
}

/* =========================================================
   RESET
   ========================================================= */

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

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 72px;
    line-height: 1.45;
    color: var(--gray-800);
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #2563eb 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

/* =========================================================
   CONTENEDOR
   ========================================================= */

.login-container {
    width: 100%;
    max-width: 460px;
}

.login-box {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 16px 48px rgba(15, 23, 42, 0.22);
    padding: 26px 30px 22px;
    position: relative;
    overflow: hidden;
}

    .login-box::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 3px;
        background: linear-gradient(90deg, #2563eb, #3b82f6, #60a5fa);
    }

/* =========================================================
   LOGO + BRAND (más compacto)
   ========================================================= */

.login-logo {
    text-align: center;
    margin-bottom: 4px;
}

.login-logo-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 28px;
    font-weight: 800;
    background: linear-gradient(135deg, #1e40af, #2563eb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
    line-height: 1;
}

.login-brand {
    text-align: center;
    margin-bottom: 14px;
}

.login-brand-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 1px;
}

.login-brand-sub {
    font-size: 12px;
    color: var(--gray-400);
}

/* =========================================================
   HEADER
   ========================================================= */

.login-header {
    text-align: center;
    margin-bottom: 14px;
}

.login-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 2px;
    letter-spacing: -0.3px;
}

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

/* =========================================================
   TABS
   ========================================================= */

.login-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    background: var(--gray-100);
    padding: 4px;
    border-radius: 10px;
    margin-bottom: 16px;
}

.login-tab {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 12px;
    background: transparent;
    border: none;
    border-radius: 7px;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-500);
    cursor: pointer;
    transition: all 0.2s;
}

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

    .login-tab:hover:not(.active) {
        color: var(--gray-700);
        background: rgba(255, 255, 255, 0.5);
    }

    .login-tab.active {
        background: #fff;
        color: var(--blue);
        box-shadow: 0 2px 6px rgba(15, 23, 42, 0.08);
    }

.tab-badge {
    font-size: 16px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 8px;
    background: var(--gray-200);
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

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

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

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

/* =========================================================
   TAB CONTENT
   ========================================================= */

.tab-content {
    display: none;
    animation: fadeIn 0.25s ease;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(3px);
    }

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

/* =========================================================
   INFO BOXES (más compactos)
   ========================================================= */

.oauth-info,
.cliente-info {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 12px;
    font-size: 14px;
    line-height: 1.4;
}

.oauth-info {
    background: #eff6ff;
    border-left: 3px solid #2563eb;
    color: #1e3a8a;
}

.cliente-info {
    background: #fef3c7;
    border-left: 3px solid #f59e0b;
    color: #78350f;
}

    .oauth-info i,
    .cliente-info i {
        font-size: 16px;
        flex-shrink: 0;
        margin-top: 1px;
    }

    .oauth-info p,
    .cliente-info p {
        margin: 0;
        font-size: 14px;
        line-height: 1.4;
    }

/* =========================================================
   BOTÓN OAUTH
   ========================================================= */

.btn-oauth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 20px;
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s;
    box-shadow: 0 3px 10px rgba(26, 58, 143, 0.22);
}

    .btn-oauth:hover {
        background: var(--blue-dark);
        transform: translateY(-1px);
        box-shadow: 0 5px 14px rgba(26, 58, 143, 0.32);
        color: #fff;
    }

/* =========================================================
   FORM
   ========================================================= */

.form-group {
    margin-bottom: 12px;
}

    .form-group label {
        display: flex;
        align-items: center;
        gap: 5px;
        font-size: 14px;
        font-weight: 600;
        color: var(--gray-700);
        margin-bottom: 5px;
    }

        .form-group label i {
            font-size: 14px;
            color: var(--gray-500);
        }

        .form-group label .required {
            color: var(--red);
        }

.input-wrapper {
    position: relative;
}

    .input-wrapper input {
        width: 100%;
        padding: 10px 38px 10px 14px;
        font-family: inherit;
        font-size: 14px;
        color: var(--gray-800);
        border: 1.5px solid var(--gray-300);
        border-radius: 8px;
        background: #fff;
        transition: all 0.15s;
        outline: none;
    }

        .input-wrapper input::placeholder {
            color: var(--gray-400);
        }

        .input-wrapper input:hover {
            border-color: var(--gray-400);
        }

        .input-wrapper input:focus {
            border-color: var(--blue);
            box-shadow: 0 0 0 3px rgba(26, 58, 143, 0.1);
        }

    .input-wrapper .input-icon {
        position: absolute;
        right: 14px;
        top: 50%;
        transform: translateY(-50%);
        font-size: 16px;
        color: var(--gray-400);
        pointer-events: none;
        transition: color 0.15s;
    }

.form-group small {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px !important;
    color: var(--gray-500) !important;
    margin-top: 4px !important;
}

    .form-group small i {
        font-size: 12px;
    }

/* =========================================================
   BOTÓN ENVIAR
   ========================================================= */

.btn-enviar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 11px 20px;
    background: var(--blue);
    color: #fff;
    border: none;
    border-radius: 8px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    box-shadow: 0 3px 10px rgba(26, 58, 143, 0.22);
    margin-top: 4px;
}

    .btn-enviar i {
        font-size: 15px;
    }

    .btn-enviar:hover:not(:disabled) {
        background: var(--blue-dark);
        transform: translateY(-1px);
        box-shadow: 0 5px 14px rgba(26, 58, 143, 0.32);
    }

    .btn-enviar:disabled {
        opacity: 0.6;
        cursor: not-allowed;
        transform: none !important;
    }

/* =========================================================
   CONFIRM BOX
   ========================================================= */

.confirm-box {
    display: none;
    padding: 14px 16px;
    background: linear-gradient(135deg, #f0f9ff 0%, #eff6ff 100%);
    border: 1.5px solid #bfdbfe;
    border-radius: 10px;
    animation: fadeIn 0.25s ease;
}

    .confirm-box.show {
        display: block;
    }

.email-display {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: 7px;
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-700);
    word-break: break-all;
}

    .email-display i {
        font-size: 15px;
        color: var(--blue);
        flex-shrink: 0;
    }

/* =========================================================
   AYUDA (más compacta)
   ========================================================= */

.cliente-help {
    display: flex;
    align-items: flex-start;
    gap: 6px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--gray-200);
    font-size: 12px;
    color: var(--gray-500);
    line-height: 1.5;
}

    .cliente-help i {
        font-size: 13px;
        color: var(--gray-400);
        flex-shrink: 0;
        margin-top: 2px;
    }

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

        .cliente-help a:hover {
            text-decoration: underline;
        }

/* =========================================================
   FOOTER (más compacto)
   ========================================================= */

.login-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--gray-200);
    font-size: 11.5px;
    color: var(--gray-400);
    text-align: center;
}

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

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

    .login-footer .divider {
        color: var(--gray-300);
    }

/* =========================================================
   SPINNER
   ========================================================= */

.spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
    margin-right: 4px;
}

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

/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (max-width: 520px) {

    body {
        padding: 12px;
    }

    .login-box {
        padding: 22px 22px 18px;
        border-radius: 14px;
    }

    .login-logo-text {
        font-size: 24px;
    }

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

    .login-tab {
        font-size: 12px;
        padding: 8px 6px;
    }

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

    .tab-badge {
        font-size: 8px;
        padding: 1px 4px;
    }
}